Friday

October 28, 2016
Number of results: 40,370

**Enviormental Science ( Human Population)**

I need to find the missing word. An icrease in population could result from increased birth rate, increased __________, or immigration. Increased birthrates and immigration account for an increase in population. Decreased death rates also account for an increase in population...

*March 15, 2007 by Mack*

**Science help urgent :/**

What has been the general trend in human population growth? A.) The human population has decreased. b.) The human population has remained constant. C.) The human population has grown exponentially. d.) The human population has increased and then decreased significantly.

*May 11, 2015 by Amanda Fire*

**enviormental science**

in two or three well-developed paragraphs, summarize how the reproductive behavior of individuals can affect the growth rate of their population

*December 5, 2011 by nesha*

**Science**

What are some examples of enviormental factors that may affect how tall a person grows to be?

*January 10, 2008 by Paige*

**human life**

The human population of the world is over 6 billion. The increase of the human population P (in billions) can be approximated using the following formula: P = 0.073t + 6.08, where t is the number of years after the year 2000. Use the formula to predict how many years it will ...

*March 14, 2013 by Anonymous*

**Science (Human Population Growth)**

How have advances in medicine and technology affected population growth?

*May 9, 2014 by Becky *

**sciece**

compare and contrast deer population growth to human population growth in terms of a. predation and competition and b. speed of population response. I don't understand predation in terms of human population growth (can someone explain please)? I do not understand speed of ...

*September 9, 2009 by cara*

**Science**

I'm doing a project on human population growth and the ecosystems. Does anyone know of any good websites that explain how china is affecting its ecosystems and why is chinas population growing so fast (technologically)?

*September 16, 2007 by Dani*

**Science**

A newspaper story on AIDS reports that an allele (R) confers complete resistance to HIV when homozygous and that 1% of the human population is resistant (RR). The story also states that 20% of the population carries one copy of the resistance allele (i.e., is heterozygous). Is...

*April 7, 2013 by MT*

**science**

With the growing human population, many researchers argue that nuclear energy may be the only available option as to fuel the needs of out rapidly expanding population. How would you address this caveat to coal and other non-renewable resources?

*January 12, 2008 by Anonymous*

**Global science**

A population histogram that looks like a triangle ____. It also means A)the population is rapidly expanding. b) the population is stabilizing.C)a clumped population.d)The population is declining.

*November 1, 2010 by Anonymous*

**Geography**

Which is the result of zero population growth? population stability no natural increase*** a rapid decline in human population the elimination of high density populations

*May 6, 2016 by Mandy*

**Social Studies**

Which is the result of zero population growth? a. population stability*** b. no natural increase c. a rapid decline in human population d. the elimination of high-density populations

*December 24, 2015 by Kaai97*

**math**

UGH! The human population of the world is over 6 billion. The increase of the human population P (in billions) can be approximated using the following formula: P = 0.073t + 6.08, where t is the number of years after the year 2000. Use the formula to predict how many years it ...

*March 11, 2013 by Linda*

**Science**

A particular ecosystem in Georgia can support a maximum population of 100 bluebirds which of the following would allow hundred 20 bluebirds to live together in this ecosystem? (a. Human activity disrupting the nesting out of a predator hawk) (B. Flooding that decreases the ...

*February 17, 2015 by Ruby :)*

**science**

About __________% of the world's human population lives in the developing countries. a. 20 b. 40 c. 60 d. 80 e. 90

*September 3, 2013 by Esa*

**Life science/ Biology**

Describe how the human population growth issue has and will impact the ecosystem.

*August 8, 2008 by Laura*

**Science **

What are two instances in which technology has caused the growth rate of the human population to increase?

*December 9, 2015 by Victoria*

**english**

Human population and groups of people A. Demographics B. Community C. Population D. Norms

*August 7, 2015 by bee*

**Vocabulary**

Human population and groups of people A. Demographics B. Population C. Community D. Norms A?

*June 2, 2016 by quick help needed*

**Vocab**

Human population and groups of people A. Demographics B. Community C. Population D. Norms I think it might be A?

*January 6, 2015 by Bryanna*

**Science**

A particular ecosystem in Georgia can support a maximum population of 100 blubirds. Which of the following would allow 120 bluebirds to live together in this ecosystem? -human activity disrupting the nesting habits of a preditor hawk -flooding that decrease the local insects ...

*March 6, 2015 by Elizabeth*

**environmental science**

Explain the main point concerning exponential growth and whether it is good or bad. Compare exponential growth to a logistic growth curve and explain how these might apply to human population growth. What promotes exponential growth? What constrains population growth?

*November 2, 2011 by len*

**science**

What changes in diet would allow a growing human population to be supported without any further increase in farmland? Explain your answer. help me please :(

*September 23, 2009 by ali*

**BIO 100**

Write a 200-300 word response addressing the following points: What is the current estimate of the worldwide human population at this moment? Describe how this number is changing moment-to-moment, day-to-day, and from one year to the next. Describe how the human population ...

*December 22, 2009 by Rayna *

**Math **

If the current population is 7,361,920,000 and grows at approximately 1.14% per year, what will the human population be this time next year?

*August 23, 2015 by Anonymous*

**Math **

If the current population is 7,361,920,000 and grows at approximately 1.14% per year, what will the human population be this time next year?

*August 23, 2015 by Anonymous*

**population,poverty and human development(hiv/aids **

"the larger a population,the higher the levels of poverty'.Do you agree with statement?justify your response.25marks

*April 28, 2013 by kelly t*

**human services agency**

What is the population of hospice patients that human services attend

*May 27, 2010 by marie hunt*

**Science**

Why is the human population of the Earth still growing rapidly even though birth rates have begun to fall slightly? Due to better health and medical advancements, people are living longer.

*March 18, 2007 by Mack*

**Science**

This graph shows the changes in two populations of herbivores in a grassy field. In the y axis it says number of organisms in the x- axis it says Time In the graph A is decreasing , B is increasing, At first they were steady then slightly A decreased and B increased . A ...

*January 3, 2012 by MAcy*

**Science**

Could you help me formulate a hypothesis that explains the changes in population of the yellow-headed blacbird. Factors that influence this change are; -Air and Water Quality -Climate Change -Human Activities But what could be the hypothesis. Thank you in Advance

*February 25, 2008 by Lauren*

**Environmental science**

I know how environmental science branches off to various sciences- how does astronomy (to be specific, the discovery that Pluto's not a planet anymore) relates to environmental science? Thank you! Reclassifying Pluto as "not a planet" is NOT a discovery. It was an arbitrary ...

*September 6, 2006 by Jin*

**Global science**

The ajor reason for the dfamatic increase in human population during the last 100 years is ? a)increasing birthrates,B)decreasing birth rates,c)improved daycare for children,d) decreasing death rates

*November 1, 2010 by Anonymous*

**science**

Linear growth a. is characterized by a rapidly growing population. b. is demonstrated by the sequence 12, 13, 14, 15, 16. c. is illustrated by the numbers 2, 4, 8, 16, 32. d. is characterized by resource use and consumption. e. is characterized by a slowly decreasing ...

*September 3, 2013 by Mohammad*

**Science**

Explain the four factors that produce changes in population size. Which factors are affecting the population size? What do you predict will happen to the nutria population after all the land is depleted of the nutrias’ food resource?

*December 21, 2007 by Danny*

**Environmental Science**

Explain the four factors that produce changes in population size. Which factors are affecting the population size? What do you predict will happen to the nutria population after all the land is depleted of the nutrias’ food resource?

*November 29, 2008 by coreen*

**Science**

The study of human population patterns is called _________________. Thank you for using the Jiskha Homework Help Forum. Here is what the Online Dictionary says: Main Entry: de·mog·ra·phy Pronunciation: di-'mä-gr&-fE Function: noun Etymology: French dé...

*March 18, 2007 by Mack*

**science: check my answers please**

h t t p: //tinypic . co m/r/309lnac/3 1. The population growth exhibited by population A to the right is what? Is is exponential? 2. Population B reaches its carry capacity at about what size? a. 0 b. 500 c. 1000 d. 1500 e. 2000 Is it 1500? 3. The plateau of population B is ...

*August 30, 2009 by maggie*

**science (please check my answers)**

h t t p: //tinypic . co m/r/309lnac/3 1. The population growth exhibited by population A to the right is what? Is is exponential? 2. Population B reaches its carry capacity at about what size? a. 0 b. 500 c. 1000 d. 1500 e. 2000 Is it 1500? 3. The plateau of population B is ...

*August 30, 2009 by maggie*

**Enviro Science**

4. Which of the following is NOT a threat that impacts biodiversity? a. use of land for agriculture and housing b. dam construction c. overuse of water d. helping endangered species D 10. If exponential growth occurs in the population of a species of predator, the population ...

*April 21, 2012 by mysterychicken*

**Science**

Can you please tell me the effects of human activities on ecosystems. Example Human Activity and Consequences....

*February 14, 2013 by Sarah*

**science**

What are the four factors that produce changes in population because of Nutria's? Which factors affect population size? What is the prediction of what will happen to the Nutria population after the land is depleted of the nutria;s food resource? PLEASE HELP.

*December 13, 2009 by Lori*

**Science**

If the adverage weight of a human body is 75kg and given the mass of the earth is 5976 x 10^21kg, how many people will it take to exceed the weight of the earth? At the present growth of 1.14%, when will the present population of 6.8 x 10^9 grow to that number?

*February 6, 2013 by Jason *

**science**

the carrying capacity for a population is estimated at 500. the population size is currently 400 and r max is 0.01. what is dN/df?

*October 27, 2010 by lisa*

**science**

If a population is not in genetic equilibrium, what must be occurring in the population

*April 10, 2013 by Lisa*

**math**

Suppose that the population of a town is described by P=0.16t^2=7.2t=100, where P is the population in thousands and t is the time in years, ( with t=o representing the year 2000). A. what will the population be in 2010? B. what was the population in 1995? C. when will the ...

*November 24, 2010 by ted*

**Math**

1. Cystic fibrosis (CF), a life-threatening lung disease, is caused from the inheritance of a recessive allele from both parents for the CFTR gene. In order for this disease to manifest itself, one needs to be homozygous recessive for this autosomal gene. According to the ...

*October 25, 2015 by Bella*

**human service**

identify three barriers to services, planning, funding, or empowerment in a selected aspect of human services. How does community development help address these barriers? I am attempting to do this paper on empowerment within the homeless population. I am stuck on finding ...

*November 21, 2011 by Patiance*

**Calculus**

The population in certain country is growing at the rate of 7 % a year . If the population in the year 1995 was 190 million, (a)determine an exponential expression representing the population as a function of the year. (b) What will the population be in 2005 ? (c) What was the...

*October 23, 2013 by Migena*

**environmental science**

1. Checkpoint: Population Size • View the Ch. 7 Alien Invasion VLR located under the Week Four Materials section of your student Web page. • Post a 200- to 300-word response to the following: o Explain the four factors that produce changes in population size. o Which factors ...

*October 24, 2009 by m*

**Geography**

How do landforms and climate affect the distribution of population? My answer: Landforms and climate affect this due to some lands being unsuitable for human habitation, which influences where people live, resulting in population distribution.

*September 5, 2013 by Anonymous*

**Science 7R - The Human Body Prep Test**

I have a test tommrrow on the The Human Body and I asked my science teacher if she can post a castle learning assignment about the Human Body (the day before the test she always post a caslte learning assignment for us to study and do well on the test the next day) and then ...

*April 2, 2012 by Laruen *

**World history; Check:P**

Human Origins Essay Write a opinion paper on the most significant consequences of the Agricultural Revolution. One of the greatest consequence was that the population increased. The increase of population lead to the need of more clothing. People who were farmers moved to ...

*February 15, 2013 by Unknown*

**math**

the population of a town is declining at a rate of 4.1% per year. the current population is 25000. 1)what will the population be in 7 years. 2) how long will it take the population to reach 15000?

*December 12, 2013 by Riana*

**Science**

Overpopulating rabbits in Australia were finally controlled by a disease spread trough the population. A higher death rate was recorded in regions with large population than small population. The disease can be considered.... A. A density-dependent factor. B. A density-...

*December 5, 2009 by Kaled*

**ENVIRONMENTAL SCIENCE**

1.4. The population of endangered Partula snails on a small island is currently 325. Conservation measures have been implemented and the population is growing exponentially at a rate of 0.83%. In what year is the snail population expected to reach the conservation goal of at ...

*October 22, 2015 by Anonymous*

**Science**

Discuss the importance ofeach step in the scientific method: why do you think scienctists utilize this type of experimentation? the only thing I could come up with was finding ways to keeps us alive, how fast the human population is growing and the economic growth and ...

*September 3, 2007 by tracey*

**check geo**

the european union requires its members to : A)limit and clean up enviornmental pollution B)pay high tariffs C)cease industrial production D)limit enviormental pollution my choice is d

*August 30, 2009 by henry*

**Math**

The population of a southern city follows the exponential law. If the population doubled in size over 13 months and the current population is 30,000 what will the population be in 5 years from now?

*November 23, 2012 by lily*

**Science**

1. In the western U.S., ranchers aggressively killed wolves because they posed a threat to their cattle. As the wolf population declined, the deer population began increasing. As a result, the surrounding forest ecosystems experienced increasing damage. The large number of ...

*January 13, 2016 by Skyler*

**Pleaaaaaase help with differential graph question**

Suppose further that the population’s rate of change is governed by the differential equation dP/dt = f(P) where f (P) is the function graphed. For which values of the population P does the population increase? (b) For which values of the population P does the population ...

*December 1, 2014 by Dana*

**5th Grade math**

Working Backwards: In the 1980's the Northen White Rhinoceros population decreased by 485 from what it was in the 1970s. By the 1990s the population increased 2 more than twice the population in the 1970s By the 2000s the population dropped 25 rhinoceroes to about 7 today what...

*September 9, 2008 by Lucy*

**Calculus**

The rate of growth of a particular population is given by dP/dt=50t^2-100t^3/2 where P is the population size and t is the time in years. The initial population is 25,000. Find the population function. Estimate how many years it will take for the population to reach 50,000.

*February 9, 2015 by Anonymous*

**human resources**

Is the US better able to compete globally because of its diverse population

*October 14, 2008 by China*

**Biology**

How does the human population growth issue have and will impact the ecosystem?

*May 15, 2009 by B.B.*

**Social Studies**

In what way is geography an integrative science? a. Geography is an integrative science because it examines Earth in both physical and human terms.*** b. Geography is an integrative science because it borrows from physical sciences such as chemistry, biology, meterology, and ...

*February 4, 2016 by Kaai97*

**calculus**

The population of a certain community is increasing at a rate directly proportional to the population at any time t. In the last yr, the population has doubled. How long will it take for the population to triple? Round the answer to the nearest hundredth, if necessary.

*April 21, 2012 by help please. *

**7th grade science**

what are two ways a population may decrease in number? Explain the difference between direct and indirect observation in regard to determining population size. Please help!!! Thank you!!

*November 7, 2011 by saranghae12*

**math**

Suppose that the population of a town is described by P=0.16t^2+7.2t+100, where P is the population in thousands and t is the time in years, ( with t=o representing the year 2000). A. what will the population be in 2010? B. what was the population in 1995? C. when will the ...

*November 24, 2010 by ted*

**World Geography**

1.Which of the following demographic characteristics distinguishes Europe's population from that of Asia? A.) More Europeans inhabit rural areas. B.) The European population is much younger. C.) Europeans are more concentration in urban areas. D.) Europe has a larger ...

*May 10, 2013 by Kaitlyn*

**Statistics (39)**

Suppose a random sample of size 40 is selected from a population with = 9. Find the value of the standard error of the mean in each of the following cases (use the finite population correction factor if appropriate). a. The population size is infinite (to 2 decimals). b. The ...

*May 6, 2014 by Mia*

**Economics (39)**

Suppose a random sample of size 40 is selected from a population with = 9. Find the value of the standard error of the mean in each of the following cases (use the finite population correction factor if appropriate). a. The population size is infinite (to 2 decimals). b. The ...

*May 9, 2014 by Mia*

**Calculus**

The CIA published data about foreign countries on its web page. In particular they show total population as well as population growth. If a student is looking at Russia, they will see that the total population of Russia is declining. When they look at the table that shows ...

*June 17, 2014 by Jamie*

**statistics**

Suppose a random sample of size 50 is selected from a population with σ = 10. Find the value of the standard error of the mean in each of the following cases (use the finite population correction factor if appropriate). a. The population size is infinite (to 2 decimals). ...

*April 14, 2014 by Vanessa*

**statistics**

Suppose a random sample of size 50 is selected from a population with σ = 10. Find the value of the standard error of the mean in each of the following cases (use the finite population correction factor if appropriate). a. The population size is infinite (to 2 decimals). ...

*April 15, 2014 by Vanessa*

**Algebra**

At 8Am population of bacteria is 100,at 10Am population of bacteria is 200,At 12PM population of bacteria is 400,At 2PM population of bacteria is 800.If the pattern continues what will the bacteria population be at 6.00 pm

*August 7, 2014 by Firdous *

**Science**

If India had a population of 1.05 billion in 2002 with a steady growth rate of .9%, when would its population reach 4.2 billion?

*December 5, 2010 by Anne*

**calculus**

The population of a culture of bacteria, P(t), where t is time in days, is growing at a rate that is proportional to the population itself and the growth rate is 0.3. The initial population is 40. (1) What is the population after 30 days? (2) How long does it take for the ...

*December 4, 2015 by E*

**Environmental Science**

India’s prime minister puts you in charge of that nation’s population policy. India has a population growth rate of 1.6% per year, a TFR of 2.7, a 49% rate of contraceptive use, and a population that is 71% rural. What policy steps would you recommend, and why? What do they ...

*September 28, 2014 by Aly*

**Algebra**

On Jan 1, 2010, Chessville has a population of 50,000 people. Chessville then enters a period of population growth. Its population increases 7% each year. On the same day, Checkersville has a population of 70,000 people. Checkersville starts to experience a population decline...

*February 5, 2014 by Anonymous*

**Criminal law**

1. _________ refer to the notion that basic guarantees exist and that all people possess them simply by virtue of being human. Natural rights Hypothetical imperatives Moral duties is it A 2. Much of the reasoning in the social sciences is __________, which involves making ...

*March 28, 2014 by Amy*

**Algebra**

On Jan 1, 2010, Chessville has a population of 50,000 people. Chessville then enters a period of population growth. Its population increases 7% each year. On the same day, Checkersville has a population of 70,000 people. Checkersville starts to experience a population decline...

*February 5, 2014 by Anonymous*

**biology**

how is emigration and immigration not important factors when studying global human population growth?

*May 25, 2010 by kc*

**science**

suppose that a population of skunks lives on an isolated island is 500 skunks are present today and the birth rate is 65 per week and the death is 47 per week how many skunks to you predict will be on the island 105 days from now and what would a graph population versus time ...

*November 18, 2013 by Anonymous*

**Science**

suppose that a population of skunks lives on an isolated island is 500 skunks are present today and the birth rate is 65 per week and the death is 47 per week how many skunks to you predict will be on the island 105 days from now and what would a graph population versus time ...

*December 22, 2013 by K*

**science**

. In which regions of the world will most population growth occur during the twenty-first century? What conditions contribute to rapid population growth in these locations?

*June 25, 2010 by Tony*

**Science**

Have to answer these in a reflection. Help? How has science evolved over time? How is human ingenuity portrayed in sciences? In what ways have humans shaped science? In what ways has science shaped our lives? What would the world be like without science? In what way has ...

*January 14, 2014 by Rag*

**Math/Precal**

The size of a decreasing population is given by p(t)=P0(2)^-t/7 where p(t) represents the population as time, t, in years and p0 is the initial population what percent of the original population will be there after 10 years??

*April 26, 2016 by Lucia*

**Math**

The size of a decreasing population is given by p(t)=P0(2)^-t/7 where p(t) represents the population as time, t, in years and p0 is the initial population what percent of the original population will be there after 10 years??

*April 27, 2016 by Shawn*

**Science**

why is it important biodiversity? A. preservation of biodiversity prevents the extinction of species B. preservation of biodiversity increases the amount of fossil fuels formed in a shorter period of time. c. preservation of biodiversity disturbs the balance in ecosystems D. ...

*April 17, 2015 by Priscilla*

**Alegebra I**

I need help please!!! On January 1, 2010, Chessville has a population of 50,000 people. Chessville then enters a period of population growth. Its population increases 7% each year. On the same day, Checkersville had a population of 70,000 people. Checkersville starts to ...

*February 3, 2013 by Amber*

**math**

the population of a southern city follows the exponential law. If the population doubled in size over an 18 month period and the current population in 10000, what will be the population 2 years from now? the equation for the exponential equation is: A=ao e ^ -kt ao is the ...

*November 21, 2008 by kayla*

**math**

In 1980, the population of a certain country was about 161 000. since then the population has decreased about 1% per year. a. find an equation to model the population since 1980 b. estimate the population in 1990 c. suppose the current trend continues. predict the population ...

*November 16, 2011 by jefferson*

**science help**

If water temperature changes in favor of greater oxygen levels how do the population of the fish and wading bird population change in response to the new oxygen over time? I would think the fish population would increase and so would the birds (because the fish increase) but I...

*March 18, 2014 by SDog*

**Science**

If water temperature changes in favor of greater oxygen levels how do the population of the fish and wading bird population change in response to the new oxygen over time? I would think the fish population would increase and so would the birds (because the fish increase) but I...

*May 4, 2016 by Jake*

**MATH**

4. The population of a small town is modelled by the function p(t)= 20(4t+3)/2t+5 , where P(t) is the population, in thousands, and t is time, in years, since the start of 1990. a) Is the population currently increasing or decreasing? Justify your answer. b) The town will need...

*July 6, 2013 by FUNCTIONS*

**MATH**

4. The population of a small town is modelled by the function p(t)= 20(4t+3)/2t+5 , where P(t) is the population, in thousands, and t is time, in years, since the start of 1990. a) Is the population currently increasing or decreasing? Justify your answer. b) The town will need...

*July 8, 2013 by FUNCTIONS*

**math**

The population of a small town is modelled by the function p(t)= 20(4t+3)/2t+5 , where P(t) is the population, in thousands, and t is time, in years, since the start of 1990. a) Is the population currently increasing or decreasing? Justify your answer. b) The town will need ...

*July 8, 2013 by FUNCTIONS*

**aadvanced functions HELP!**

the population of a town is decreasing at a rate of 1.8% per year. The current population of the own in 12000. a)write and equation that models the population of the town b)how long will it take for the population to decline to one quarter of its current population? c)...

*December 10, 2008 by james*