science, biology

40,352 results, page 3

Biology

Mammals and birds have evolved from reptiles. In what way does a comparative study of their embryology establish the validity of the statement ? P.S I don't have the"Modern Biology" Book ... so plz help me with the note!

Science

Hi Can someone give me websites that have quizes of Biology for KeyStage 3 for my grade 9 revision And the following topics are : Cells Food, digestion , respiration Living and feeding Variation , classification and inhertiance Plants thanx =) I doubt very much if that is ...

Science , Biology

Which creatures live on the energy of the Sun? Angel fish Suquirrel fish Sea urchins Porcupine fish Octopus

biology

I had to think of a project idea for lab biology. I have decided to do fermentation. My variable would be carbohydrates. My problem is I'm not sure where to start on planning it (what will I need for it, how do I start...) Please help!

Biology

I had to think of a project idea for lab biology. I have decided to do fermentation. My variable would be carbohydrates. My problem is I'm not sure where to start on planning it (what will I need for it, how do I start...) Please help!

Biology

I had to think of a project idea for lab biology. I have decided to do fermentation. My variable would be carbohydrates. My problem is I'm not sure where to start on planning it (what will I need for it, how do I start...) Please help!

biology

some people in old age complain of stiff joints. what is the possible reason for it? please help, need answer related to bones and joints, level middle school biology

Science, Biology

Can you teach me how should I answer these questions please.. Why the events are significant? First mammals: First primates: First modern humans:

Science (Biology)

The disease bullous pemphigoid results in the destruction of proteins within the basement membrane that hold the epidermis and dermis together. How would this likely affect the epidermis?

Science / Biology

How does modern science explain the evolution of abiotic to biotic matter? How would the first life form have survived in the first day / week of its formation? What kind of system of organelles / biological functions would it have to form in the first day / week of it's ...

science fill in the blanks help!!!!!!!!!!!

One group of three nitrogen bases codes for one ______ Is there a context in which this is used? http://www.biology-online.org/dictionary/Codon one group of three nitrogen bases codes for one ________?

Science Biology

Explain how the roles different parts of a plany have in converting light evergy into chemical energy. I need it broken down into easier terminology.

Biology

what are goals of science? Choose all that apply. A) to investigate the natural world B) to establish unchanging facts C) to explain natural phenomena D) to make useful predictions based on evidence

algebra 10th grade

please help with this problem Your dad is taking Biology as part of the veterinarian program at the local community college. This semester he will spend a total of 40 hours in the biology lab, and he will take notes in class 6 hours per week. Define a variable for the number ...

Science (Biology)

Use your knowledge of photosynthesis to explain what is happening in the following graphs. 67(dot)media(dot)tumblr(dot)com /d99a0dd856c87dfc21b9314f89019994/tumblr_o7ltp1unLS1tt1il6o1_1280.jpg

Biology

What is the difference between tolerance range and optimum range in Biology?

Math

In a class of 100 students, 40 offer Biology and 10 offer Chemistry and Biology .10 offer Physics and Chemistry , and 30 offer Physic and Biology . Each student offer at least one of the three subjects. The number of students who offer Biology is equal to those who offer ...

science-biology..cells

please give me those parts of animal cell and plant cell.. please separate it..

biology/science

when an indigestion tablet is placed in water, carbon dioxide is given off. describe the test for carbon dioxide.

Academic 4-year plan: Zoology

I want to work in the field of zoology when I get older, and I'm filling out an "academic 4-year plan" our counselors gave to my class to complete and turn in on Monday. The science and math I'm taking this year are physics and geometry. Can you take Calculus (a high school ...

Science/Biology

In DNA bases, CG is one pair and AT is another pair because the double ring bonds with the single ring. Why can't Guanine bond with Thymine?

Biology

How do nucleaotides join to form nucleic acids? Name the bond formed. http://www.sparknotes.com/biology/molecular/structureofnucleicacids/section1.html

biology/science

i am doing a paper and i need to find the pros to embryonic stem cells I only have one reason which is medical but I need 4 more. Can anyone give me general ideas of pro arguments

science biology

Does a slug breathe through gills, lungs or breathing hole? we think breathing hole, please can someone tell us if we are right? Thanks

Science: Biology

Some people blamed the decrease of otter numbers on mink. give three reasons why this seemed possible. Explain your answers. I could only think of one answer, which was about food competition- please help!! thanks

Biology for Kate

I want back and posted something today...about 3 posts back. Let me collect some of the Biology tests online for you. When I get them, I'll post them after this post. Sra

AP Biology

The relatioship of structure to funtion is one of the major themes in biology. Describe the structure of enzymes and then expliain how the function (catalysis) is related to structure. Aslo discuss some factors that may affect the activity of the enzyme and how they do so.

10 grade algebra

please help with this problem Your dad is taking Biology as part of the veterinarian program at the local community college. This semester he will spend a total of 40 hours in the biology lab, and he will take notes in class 6 hours per week. Define a variable for the number ...

biology

I have the fetal pig test on muscles in AP biology class coming up soon. And I was wondering if anyone knows any good online sites where thye give pictures and i can practice labeling the muscles on the pig.. thanks

Biology

How does Nutrients get affected from surface runoff in Biology? If in detail, you could explain what exactly is Surface Runoff, and what causes it, that'd be of great help !

Math

ella took a biology test of 54 question. She got 5/6 with a question correct how many questions did she get wrong on her biology test?

biology: the study of life

2. what is meant by the statement "living things do not exist in isolation"? TRUE/FALSE 3.people study biology only if they are planning to become biologists. 4. by studying biology you can better appreciate the great diversity of species on earth and the way each species fits...

biology

doing a biology project and they want us to figure out how long it takes to cook 6 different foods at 5 different temperatures and gather 30 separate data points. They want us to identify an x(independent) and a y(dependent) variable that can be recorded on a table. Would x be...

Science

For my Biology class, I need to find and print out an article that talks about renewable resource technology or new technology that is beneficial to the environment. Can anyone help me find any good ones?

Biology

I know this is a difficult question, and its an answer that is not likely on google, but I'm just wondering what a T-bar ribbon is, in terms of synapses and biology (not the type of sandal). The answer doesn't have to be detailed, I just simply would like to know what it is.

BIOLOGY

which of the follwing is best definition of science? A.a body of knwolege gathered throgh experiments. B.a process of accidental discorery. C. a search for answers to questions about the natural world. D. a method of asking testable questions based on hypothesis.

Biology HELP PLEASE

What are goals of science? Choose all that apply. A)to investigate the natural world. B)to establish unchanging facts. C)to explain natural phenomena. D)to make useful predictions based on evidence. I think a and d but im not entirely sure...

science-biology

Some herbicides, such as 2, 4-D are believed to make plant cells divide more rapidly than normal. Why would this kill plants? Why might this be dangerous to humans if it had the same effect on human cells?

Molecular Biology

outline principles that underlie the methods used in the manipulation and characterisation of DNA There are books devoted to this. I suggest for an outline, any molecular biology (college level) text. I could not find a good summary online.

Biology<3

im studying for a biology test that's tommorow. Can somebody help me? i cant find the answer to this anywhere. An Example of a Dominant Trait? a-cystic fibrosis b-white pea flowers c-purple pea flowers d-sickle-cell anemia

anthropology

What ethical challenges come up when studying another culture? How does one balance the fact that anthropology is part social science, part humanity, and part biology?

math

In a class of 80 students,53 study Art,60 study biology,36 study art and biology,34 study art and chemistry,6 study biology and 18 study biology but not chemistry.Determine the number of students who study =Art only =Chemistry only

Science Fair

I'm doing my science fair project on like how healthy and junk food affect the human body. I check on the site (Rockland Sit Fair) and reading the Project Categories. Does these project categories below relates to my project??? Medicine and Health: Study of diseases and health...

Math

100 students were asked whether they are taking psychology or biology. 61 were taking pyschology, 18 were taking both and 12 were taking neither. how many were taking biology?

Science(Biology)

Where in the human body is chromasome 17 located ( i mean like is it in the arm, leg, head). If possible, i would also like to know the comparison of normal and abnormal chroasome (when the abnormal is the alexander disease)

Math

Out of 300 student in final year in senior secondary school, 200 are offering biology and the150 offering chemistry how many are offering neither biology nor chemistry

biology

The word step is misleading. http://biology.about.com/library/bltranslation.htm How many steps are there in translation? I've been searching and so far I have found a site that says that there are 5 steps, one that says 4 steps, and one that only has three steps.

senior courses

this is a reply to Ms.Sue's question yesterday. my college and career goals are to do with Foods. cooking, culinary arts .. but i don't think that i can chose my next year (12th grade) courses according to that, can i? those are my plans for college right now i'm having ...

biology

i am in 9th grade biology and i am REALLY confused about the difference between controll variable, responding variable, manipulated variable and controll group. any help would be great. i have a test TOMORROW!!!!

Biology!!

Darwin is considered the "father of evolutionary biology." Four of his contributions to the field of evolutionary biology are listed below. The nonconstancy of species. Branching evolution, which impleies the common descent of all species. occurrence of gradual changes in ...

science

doing a biology project and they want us to figure out how long it takes to cook 6 different foods at 5 different temperatures and gather 30 separate data points. They want us to identify an x(independent) and a y(dependent) variable that can be recorded on a table. Would x be...

EDTECH

1. Which of the following could be an engineering project that could better protect the planet? -finding a new landfill site -designing a better trash compacter -deciding which product can be recycled*** -growing microbes that eat oil 2. Engineers who are working to find ...

biology

How does an observation about an object differ from an inference about that object. I Really need help on biology Thank you

BIOLOGY

BIOLOGY MEANS?

BIOLOGY

BIOLOGY MEANS?

biology

biology is the study of what?

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 ...

Science , Biology

Is Atlantic spadefish Nocturnal or Diurnal? Carnivore, Herbivore, Autotroph? Is Porcupine fish Carnivore, Herbivore, Autotroph? Please give me informationsss!!

Biology

In biology I have to make a model of a plasma membrane.. i need a picture that shows a phospolipid bi layer and cell surface markers channel protiens and receptor protiens .. Whats good site for the BESIDES google.. Or do you know a direct link for a picture that could help me...

biology

Hi, This is a question on my biology test review that I don't understand. I think the answer is pine trees, but I'm not really sure. Please help! In a barren terrestrial habitat, which of the following would be an example of a pioneer organism? moss pine trees segemented worms...

Biology (URGENT PLEASE!)

This is a question of my last biology test: Name at least one technological device that would have not been invented without scientific knowledge: A.Radio B.Ruler C.Knife D.None of the above I answered D but got a cross for it. So can you please help me to solve what is the ...

Maths

In a class of 80 students,53 study Art,60 study biology,36 study Art and biology,34 study Art and chemistry,6 study biology but not chemistry.Illustrate the information on a Venn diagram.Determine the number of students who study Art only And Chemistry only

BIOLOGY TEACHER

Biology teacher help me with two questions. what role do microorganisms play in ecological succession? describe ecological succession in terms of changes in the abiotic parts of an ecosystem

English

I urgently need your help to translate this school profile into English. Thank you. I included another sentence, too. 1) Students aged between sixteen and eighteen can opt for the bilingual branch (??) and study subject like Geographie/Earth Science, biology and history in ...

Science - biology

If you did not know whether brown or yellow alleles were dominant in corn, how could you tell with reasonable certainty? If you used a punette square to find out which one is dominant, how would you know which letters to use for each parent to figure out the F1 generation?

Science Biology

How would i go about doing a dichotomous tree for beetles and how would i use it to do a dichotomous key for the beetles ? PLEASE HELP

Mathematics

A survey of 100 students produced the following statics: 32 study mathematics, 20 study physics, 45 study Biology, 15 study mathematics and biology, 7 study mathematics and physics, 10 study physics and Biology, 30 do not study any of the three subjects 1, Present the ...

Biology (High school science)

If non-nucleated cells of meristematic tissue are used for tissue culture, then growth rate will be : a) High b) Average c) Very low d) Growth may not take place. Please help!

biology yr 12

please help i have 2 biology questions. identify examples of transgenic species and their uses, in both plants and animals. and use available evidence to debate the ethical issues arising from the development and use of transgenic species. thankyou :)

Biology quick please

I need a practice biology test to practice for my final exam which is tomorrow. I'm a tenth grader and the things we learned were mitosis, meiosis, production of gametes, human reproduction, cell devision, mendelian genetics, probablitity of inheriting traits, dna, and what ...

science, biology

1. What is/are the main factor(s) that determine(s) that your plants will grow into bean plants (or other fast-growing plants that you used for your experiment) and not some other type of plant (genetics, environment, or both)? Explain your answer.

biology project

i want a topic for investigatory project of biology...

Are there any Biology teachers that could help me?

Are there any Biology teachers that could check my answers for me?

biology

I do lab biology and we are doing a project where we have a variable and see how it affects things, but I'm struggling with findin an interesting idea for a project to do. It can be on practically anything. I've thought about something to do with brewing but it seems a bit ...

algebra,biology

<biology knowledge background>: two Cys(amino acid's name) can form a disulfide bond. <the question>: If the eight Cys residues in ribonuclease are allowed to combine at random forming four disulfide bonds, there are 105 different combinations. Show mathmetically ...

science-biology

I'm pretty sure the answer is A, am I correct? Natural selection tends to A) increase the frequency of characteristics that enhance survival and reproduction. B) decrease the number of individuals in any given population. C) lead to an increase in genetic drift. D) decrease ...

Science/Biology/Anatomy/Patho

10. Functions of the nephron include all of the following except A. Reabsorption of urea nitrogen B. Fluid homeostasis C.Maintaining electrolyte balance D.Regulation of blood pressure E. Maintaining blood pH I think A but really stuck between A & B

Biology - Electron Transport Chain

Hi, does the electron transport chain actually PRODUCE ATP? It says on my sheet that 4 molecules of ATP are produced in this way. Since this is not my area of expertise, I searched Google under the key words "electron transport chain ATP" to get these possible sources: http://...

probability

The probability that a student passes Biology is 0.35 and the probability to pass Chemistry is 0.63. If the probability to pass both Biology and Chemistry is 0.4, what is the probability that he will pass either Biology or Chemistry?

Science

I am doing an extension to get into the AP Biology course offered by my school. This particular extension asked me to use vinegar and baking soda aswell as some basic scientific tools to find the concentration of acetic acid in vinegar. I wanted to know what a procedure for ...

English

Hey, Is this a text with a lot of mistakes in a/an, the? The most people live in the city called Berlin in Germany, where they eat mostly a Weisswurst for a meal and the people weare all Dirndls ans the Lederhosen. When they go to the school they learn the most common subjects...

science/biology

how many years do 9 year old girls have iregular periods? at what age a woman's period stop? PLEASE HELP ME WITH THE HOMEWORK THANK YOU! i'm pretty positive there is not an exact age or amount of years-- are you supposed to have a time frame?

BIOLOGY/EARTH SCIENCE

Hi, I was just wondering how an eroding dune and a non-eroding dune would differ, in terms of diagrams. For example, is there any site that would compare two cross-sectional shapes of the dunes? I couldn't find any on google.

Math

At small town high there are 100 students,each of whom takes atleast one of Biology,Chemistry,or physics.There are 50 student in Biology,60 in chemistry,and 70 in Physics.If 24 students are enrolled in exactly two of the classes,how many students are in all three?

Science

i have to write a "letter" to anton van Leeuwenhoek. i have to write a letter about the impact of the microscope on biology after the 18th century. ii need like suggestions and what to put in the letter.

science - biology

Neurons: A. may be myelinated by microglia. B. secrete neurotransmitters from their nerve terminals in response to action potentials. C. are the most abundance cell-type in the brain D. often contain swellings at the nerve endings known as synaptic battons E. conduct ...

geometry

At rosemead high school, 94 students take biology, 86 take ethnic studies, and 95 take geometry. thirty-seven students take both biology and geometry, 43 take geometry and ethnic studies, and 42 take ethnic studies and biology. twenty eight students take all three subjects. ...

geometry

At rosemead high school, 94 students take biology, 86 take ethnic studies, and 95 take geometry. thirty-seven students take both biology and geometry, 43 take geometry and ethnic studies, and 42 take ethnic studies and biology. twenty eight students take all three subjects. ...

Science - Biology

After spraying crops with DDT for several years, farmers found that populations of insect pests rebounded. One reason was that the insects had developed resistance to the insecticide. Suggest another reason, based on what you know about populations, pyramids, predators, and ...

science

Post a 200- to 300-word response to the following: In your own words, summarize each of the major theories of biology. • Choose one theory and provide an example of how this theory relates to the news today. • Use at least one outside reference in addition to your text.

MATHS&SCIENCE

Do I qualify for an application for a Sasol bbursary as I am currently studing s1 at University of Johannesburg.I have an "A" for maths SG,"D" for P.Sience HG,"D" for Biology HG,"B" for Sepedi 1st Lang HG,"D" for English 2nd Lang HG&"E" for Afrikaans 2nd Lang HG.

MATHS&SCIENCE

Do I qualify for an application for a Sasol bbursary as I am currently studing s1 at University of Johannesburg.I have an "A" for maths SG,"D" for P.Sience HG,"D" for Biology HG,"B" for Sepedi 1st Lang HG,"D" for English 2nd Lang HG&"E" for Afrikaans 2nd Lang HG.

Biology--Urgent

Need help with this: 'Social bees survive by collecting nectar or pollen from flowers, pollinating the flower in the process. They must keep their hives at a constant temperature, moisture, and oxygen content for their larvae to develop. One way they do this is by beating ...

Biology

I did a lab biology project on seed germination and the results weren't as expected. pH 5 worked better than pH 6 or 7 which seemed weird because surely it would be too acidic. I've been trying to find an explanation as to why I got these results and I think, possibly, it's to...

Biology

I did a lab biology project on seed germination and the results weren't as expected. pH 5 worked better than pH 6 or 7 which seemed weird because surely it would be too acidic. I've been trying to find an explanation as to why I got these results and I think, possibly, it's to...

biology

I got a biology project that's about the excretory system & I have to write the word excretory & draw pictures inside of the word that compares it to real life. What pictures can something be compared that involves with the system?

Math

At Small Town High there are 100 students, each of whom takes at least one of biology, chemistry, or physics. There are 50 students in biology, 60 in chemistry, and 70 in physics. If 24 students are enrolled in exactly two of these classes, how many students are in all three?

biology

1)Can you suggest reasons why a phylogeny based on molecular evidence and a phylogeny based on morphology and other evidence might not be exactly the same? 2) Zoologist worldwide are sequencing a mitochondrial gene CO1 (cyctochrome c oxidase subunit), which is found in all ...

AP Biology for Kate, etc.

To save your looking for these AP Biology sites, I now have ready: AP Central, AP Fees, Study Tips, Reviews, Test-Taking Tips, Practice Quizzes, Sample AP Bio Tests & Scoring Guidelines and books either to purchase or to find in a library. Just let me know what you would like...

Science (Biology)

What part of the scientific method is this step? The choices are identifies a problem, gather info, state a hypothesis, experiment, observe & record data, or conclusion. Here is the step: Dan timed the eclipse in minutes and seconds. He wanted to see if the newspaper ...

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