7th grade science

Popular questions
  1. 7th grade science

    A woman with normal color vision has a colorblind daughter. What are the genotypes and phenotypes of BOTH parents?

    asked by SkaterGirl on January 5, 2011
  2. 7th grade science

    blood type is an example of what type of inheritance?

    asked by mary on December 13, 2009
  3. 7th grade science

    If the fish from a particular stream have become genetically adapted to their home stream over many generations, what might happen if their fertilized eggs are used to restock a different stream that has become depleted of fish? Note-A fertilized egg means

    asked by SkaterGirl on January 4, 2011
  4. 7th grade science

    Hatchery fish populations often have less genetic biodiversity than wild populations. How much lowered biodiversity affect a fish population's ability to adapt to environmental disasters such as the pollution disaster described in this simulation(factory

    asked by SkaterGirl on January 4, 2011
  5. 7th grade science

    what is the flow of matter and energy?

    asked by mary on April 16, 2010
  6. 7th grade science

    what is the protective sheild covering what segment of the thorax? its in grasshopper dissection

    asked by kayla on April 22, 2008
  7. 7th grade science

    can some one give me an example of commensalism and mutualism in the deciduous forest in the united states? I think commensalism symbiotic relationship in which one species benefits and the other species is neither benefited nor harmed. Is that like maybe

    asked by AMY on October 4, 2006
  8. 7th Grade Science

    1. Which of the following statements about continental glacial movement is correct? A. Continental glaciers can only flow uphill. B. Continental glaciers can flow in all directions *** C. Continental glaciers can only flow downhill. D. Continental glaciers

    asked by Aleksander on May 22, 2015
  9. 7th grade science

    Q: A pair of fruit flies reproduces and has 1000 offspring. All 1000 of the offspring have the alleles Gg. What is the most likely combination of alleles that each parent has, and why are other combinations not likely?

    asked by dingbat on April 10, 2013
  10. 7th Grade Science

    1. A person's belief that he or she needs a drug to feel good or function normally (1 point) addiction psychological dependence emphysema tolerance 2. A large, dome-shaped muscle below the lungs (1 point) trachea alveoli diaphragm emphysema 3. Smoke that

    asked by Anonymous on March 28, 2013
  11. 7th grade science

    1. How many chromosomes do human sex cells have? (1 point) 22 43 46 23 2. The actual genetic makeup of an organism for a particular trait is called the ______. The physical characteristic that trait gives the organisms is called the ______. (1 point)

    asked by Delilah on January 16, 2013
  12. 7th grade science

    1. A Punnett square shows you all the ways in which ____ can combine. (1 point) alleles eggs sperm colors 2. Mendel called plants that received different alleles for a trait from each parent ____. (1 point) hybrids dominant genotypes phenotypes 3. Which is

    asked by Delilah on December 12, 2012
  13. 7th Grade Science

    when the temperature is constant the volume of a gas will decrease as the pressure decreases. True or false

    asked by completeidiot on September 6, 2012
  14. 7th grade science

    what is a binominal nomenclature mean? Please explain in a simple manner. Thank you

    asked by saranghae12 on February 15, 2012
  15. 7th grade science

    All organisms can________________,or produce offspring that are similar to the parents. Please help! Thank you!

    asked by saranghae12 on September 13, 2011
  16. 7th grade Science

    will an object with a density of 0.79g/mL float, sink, or remain suspended in water

    asked by Aaliyah on December 1, 2010
  17. 7th grade science

    the human skeleton has how many bones?

    asked by mary on January 24, 2010
  18. 7th grade science

    Sorry! this is alot of questions. Science is not my best subject but i still do well in it but the questions are really hard for me pleas help answer this. What might you ask yourself in drawing a conclusion about an experiment? Why is scientific inquiry a

    asked by saranghae12 on August 31, 2011
  19. 7th grade science

    How do lithospheric plates lead to evolution and species? Please help me.

    asked by Cassandra on March 8, 2009
  20. 7th grade science

    make a word out of the letters P A M O U S E E N

    asked by nikhil on November 10, 2008
  21. 7th grade science

    What is a simplified reprsentation of reality? It is either a model,table,variable,or an inquiry. Does anyone know the answer?

    asked by Cailey on October 5, 2008
  22. 7th grade science

    How does the insulin pump help a person with type 1 diabetes maintain homeostasis?

    asked by Anonymous on December 20, 2017
  23. 7th Grade Science

    Hi, I really need help with this. I'm asked to write a paragraph about this. I just need some help working it out so I can get everything correct. I'm not cheating its just confusing this part of the assignment for me. So please help! I also have to study

    asked by Music Lover 14 on April 11, 2016
  24. 7th Grade Science

    Hi, I really need help with this. I'm supposed to find information about biodiversity and fishing or housing and answer these two questions: "What challenges does [your topic] pose to biodiversity? What do you think should be done and why?" The websites my

    asked by Music Lover 14 on March 18, 2016
  25. 7th grade science

    how much work is done on an object with 25 kg on earth if it moves 13m? i really need help

    asked by KVNG J on March 3, 2015
  26. 7th grade science

    Can you help me with genetics questions? Directions: In each set, tell which word does not fit with the others. Then explain why you think it does not. You must mention all words. 1. Aa, Heterozygous, Hybrid, Homozygous Ans: Homozygous doesn't belong

    asked by Alexis (re-post) on January 29, 2015
  27. 7th grade science

    Can you help me with genetics questions? Directions: In each set, tell which word does not fit with the others. Then explain why you think it does not. You must mention all words. 1. Aa, Heterozygous, Hybrid, Homozygous Ans: Homozygous doesn't belong

    asked by Alexis on January 29, 2015
  28. 7th grade science

    some animals, but not humans have an organ called a gizzard located near the top of their digestive tract. this organ is small and can contain small rocks. it also has thick muscular walls. based on this physical description which of the following is most

    asked by ashley on December 4, 2014
  29. 7th grade Science

    Can you check my answer below, please? Elizabeth did an experiment to test the effect of salt water on rusting rate of a nail. She put 3 nails in the same bowl of salt for one week. How could she improve her experiment? Ans: 1) place each nail in a

    asked by Alexis on October 1, 2014
  30. 7th grade Science

    Can you help me figure out the manipulated , responding, & controlled variables in the following? Walker wanted to test how weight of a paper airplane affected the distance the airplane flew. he stood at the starting line and threw the airplane. He

    asked by Alexis on August 27, 2014
  31. 7th grade science

    a textbook has 2,000 g mass/ 4,000 cm to the 3rd pwr what is the density how do you figure this out I went home sick today and this is the homework I missed in class today. Can anybody tell me how to do this I have a work sheet on how to figure mass

    asked by Nickole on December 16, 2013
  32. 7th grade science

    I'm not sure if I can post my question about science. Can I post it? I don't know if it'll get taken off

    asked by Anonymous on November 11, 2013
  33. 7th Grade Science

    Hi, I understand the question but every vocab. word I think this is it's just not coming out right when I'm putting it all together. Question:To pass a trait on to the next generation (offspring) an organism does what? My answer is heredity, but to me when

    asked by Anonymous on October 12, 2013
  34. 7th grade Science

    1. The atmosphere of Earth is an example of a ______solution.(1point) liquid-liquid gas-liquid gas-gas** solid-liquid Am I correct?

    asked by Gabby on May 27, 2013
  35. 7th grade science

    Q: a species of rodent lives in a moist forest. over time, the climate changes and becomes drier and more desert-like. which of these adaptations is most likely to improve the chances that the species will survive as its environment changes? Answer

    asked by dingbat on March 3, 2013
  36. 7th grade science

    What could increase the damage to human built structures during an earthquake? A-buildings far away from the pint of origin of the earthquake B- loose material in underlying land C- solid rock beneath buildings D-flexible buildings is it C???

    asked by Aisha on January 11, 2013
  37. 7th grade science

    How are cancer cells different from normal, healthy cells? How many different types of cancers are there and what causes them? What is the history of cancer? When was it first identified? What were the first treatments? What types of doctors work with

    asked by Delilah on November 29, 2012
  38. 7th grade science

    Q: An igneous intrusion cuts through three layers of sedimentary rock. which rock is the youngest? and why? A: A) the igneous intrusion B) the top layer of sedimentary rock C) the middle layer of sedimentary rock D) the bottom layer of sedimentary rock

    asked by Kate on November 18, 2012
  39. 7th grade science

    how does the dna of prokaryotic and eukaryotic cells differ?

    asked by jace on October 18, 2012
  40. 7th grade science

    1. Venus's surface temperature is ____ than Earth's surface temperature. cooler much cooler hotter none of these isn't the answer hotter because Venus has a denser atmosphere, so the temperature would be higher?

    asked by Delilah on October 17, 2012
  41. 7th grade science

    1) a classmate states that igneous rock must always become sedimentary rock next, according to the rock cycle. explain why this statement is incorrect. 2)why would granite have larger crystals than igneous rock s formed when lava cooled above the earth's

    asked by catalina on September 25, 2012
  42. 7th Grade Science

    Please help me with these questions. This is not homework. I am just trying to figure out some things that I need help with. When separating mixtures what is filtration? what is distillation? what is crystallization? what is chromatography? Thank you,

    asked by sk8rgurl on September 21, 2012
  43. 7th grade science

    I did my calculations wrong and now Im going to get a bad, bad, bad grade on my lab report I need to know what how to find the highth and width and radius of several things are help me plz!!!!

    asked by Olyvia on September 15, 2012
  44. 7th Grade Science

    Identify 5 characteristics common to plants and describe them?

    asked by David on September 13, 2012
  45. 7th Grade Science

    Explain why increasing the temperature of a gas in a closed, rigid container causes the pressure in the container to increase.

    asked by completeidiot on September 6, 2012
  46. 7th Grade Science

    Write a short essay in which you create an analogy to describe particle motion. Compare the movements and positions of people dancing with the motions of water molecules in liquid water and in water vapor. I am NOT asking anybody to do this for me, all I

    asked by completeidiot on September 4, 2012
  47. 7th Grade Science

    what physical force can cause a change in the state of matter what is the difference between chemical and physical changes what occurs during Bose-Einstein condensation Please help me.

    asked by completeidiot on September 4, 2012
  48. 7th Grade Science

    What can be inferred after performing the experiments in the atomic theory lab? A) Where matter comes from B) How salt is formed C) If salt can dissolve in water D) If matter is created or destroyed Is it D?

    asked by kathy on August 21, 2012
  49. 7th grade science

    What is a very good website to find instructions for newly formed cells on how to carry cytokinesis? Please help!!! Thank you!!

    asked by saranghae12 on February 27, 2012
  50. 7th grade science

    definition of cell cycle

    asked by saranghae12 on February 23, 2012
  51. 7th grade science

    what is the gravitational potential energy of a 0.1 kg apple sitting on a 12.5 m flagpole?

    asked by lol on February 7, 2012
  52. 7th Grade Science

    Can anyone tell me where I can find information for this question. How are proteins synnthesized made?

    asked by Lil TEE on January 30, 2012
  53. 7th grade science

    what are intermediate forms of species for gradualism and punctuated equilibria? Please help!! Thank you!!

    asked by saranghae12 on January 29, 2012
  54. 7th grade science

    What are mass extinctions?

    asked by saranghae12 on January 29, 2012
  55. 7th grade science

    I really need help with some vocabulary words. I know what the definitions is but i have no idea what it looks like and i have to draw a picture for the two words. WORDS: vascular plant nonvascular plant Please help!! Thank you!!

    asked by saranghae12 on January 16, 2012
  56. 7th grade Science

    What is the relationship between energy and the wavelength of an electromagnetic wave? I really need help because I know that the shorter the wavelength of an electromagnetic wave, the higher the frequency of the wave..but I don't know how this is relevant

    asked by Anonymous on December 29, 2011
  57. 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!!

    asked by saranghae12 on November 7, 2011
  58. 7th grade science

    what are two ways a population may increase in number? what is the main way? Please help!!! Thank you!!!

    asked by saranghae12 on November 7, 2011
  59. 7th grade Science

    Explain the role of energy in the carbon cycle.

    asked by Daniella on September 24, 2011
  60. 7th grade Science

    Early Earth was constantly being bombarded by meteorites, comets, and asteroids. Was early Earth an open system or a closed system? Explain your answer.

    asked by Daniella on September 24, 2011
  61. 7th grade science

    I keep asking ...Ms.Sue, could you possibly help? Can flying fish communicate and how?

    asked by Inna on February 17, 2011
  62. 7th grade science

    Please help me fill in the following: A windmill converts ________energy to _____energy.

    asked by Alex on January 18, 2011
  63. 7th Grade Science

    help me find the answer to this question for tomorrow... can you think of any examples from the real world where lowered genetic diversity is impacting a species' ability to survive?

    asked by school8er on January 13, 2011
  64. 7th grade science

    OK so i have to do a project on duchenne muscular dystrophy and I need one page notes about them...so can someone please just give me a couple of quick notes on it? thank you!

    asked by SkaterGirl on January 9, 2011
  65. 7th grade science

    If a mother is a carrier of hemophilia and the father does not have hemophilia, what is the probability that their son will have the trait? Explain.

    asked by SkaterGirl on January 5, 2011
  66. 7th grade science

    What is an example from the real world where lowered genetic diversity is impacting a species' ability to survive?

    asked by SkaterGirl on January 4, 2011
  67. 7th grade science

    If the fish from a particular stream have become genetically adapted to their home stream over many generations, what might happen if their fertilized eggs are used to restock a different stream that has become depleted of fish?

    asked by SkaterGirl on January 4, 2011
  68. 7th grade science

    A car with a forward force of 2,000 newtons drives a distance of 20 kilometers in minutes. How much power does it have?

    asked by Roland on November 7, 2010
  69. 7th grade Science

    What types of cells in your body are no longer undergoing mytosis?

    asked by Selena on October 26, 2010
  70. 7th grade science

    what is the process that results from wind erosion?

    asked by mary on May 5, 2010
  71. 7th grade science

    what is the process that results from wind erosion?

    asked by mary on May 5, 2010
  72. 7th grade science

    what is the process that results from wind erosion?

    asked by mary on May 5, 2010
  73. 7th grade science

    what is the loss of soil from wind erosion?

    asked by mary on May 5, 2010
  74. 7th grade Science

    Think critiacally how could 2 observers measure a different speed for the same moving object please answer as soon as possible thank you

    asked by me myself and i on March 28, 2010
  75. 7th grade Science

    Describe how the instantaneous speed of a car changes when the car is moving with constant speed , speeding up, and slowing down please answer as soon as possible

    asked by me on March 28, 2010
  76. 7th grade Science

    Determine your distance traveled if you walk 100m forward and then 35m backward

    asked by Mary on March 28, 2010
  77. 7th grade science

    Determine your distance traveled and displacement if you walk 100m forward and then 35m backward please answer as soon as possible thank you

    asked by Mary on March 28, 2010
  78. 7th grade science

    what is the position of the diaphram when you make it inhale and exhale?

    asked by alice on March 15, 2010
  79. 7th grade science

    what wedsite can i find pictures and info. on a arab , chinese and native american astronomer from the 1054.

    asked by verone on February 8, 2010
  80. 7th grade science

    define smooth muscles.

    asked by mary on January 25, 2010
  81. 7th grade science

    what type of muscles make up the majority of mucsles in your body ? (please no websites only answers)

    asked by mary on January 25, 2010
  82. 7th grade science

    1) what is the hard,strong layer of bone called? 2) what is the smooth flexable layer of tissue covering the ends of bones? 3) what kind of joints are found in the skull and pelvis? 4) what type of muscles make up the majority of muscles in your body? (no

    asked by mary on January 25, 2010
  83. 7th grade science

    1) what makes bones hard? 2) what is the hard,strong layer of bone called? 3) what is the smooth flexable layer of tissue covering the ends of bones? 4) what kind of joints are found in the skull and pelvis? 5) what type of muscles make up the majority of

    asked by mary on January 24, 2010
  84. 7th grade science

    What kind of inheritance governs foot length?

    asked by kendall on January 4, 2010
  85. 7th grade science

    Write a pedigree in which there are parents and 4 children, 1 girl and 1 boy are color blind and the other girl and boy are not. I HAVE A FEW QUESTIONS- ?- For a girl to be colorblind does her mother have to be colorblind too or just a carrier?her father?

    asked by kendall on January 4, 2010
  86. 7th grade science

    what is an example of genetic enginering helping people?

    asked by mary on December 17, 2009
  87. 7th grade science

    how are genotypes and phenotypes alike?

    asked by mary on December 17, 2009
  88. 7th grade science

    If an organism expresses a recessive phenotype can you tell the genotype? Explain, include one example in your response.

    asked by alice on December 15, 2009
  89. 7th grade science

    What is an example of genetic engineering helping people ?

    asked by alice on December 15, 2009
  90. 7th grade science

    what is an example of genetic engineering helping people ?

    asked by mary on December 13, 2009
  91. 7th grade science

    blood type is an example of what type of inheritance ?

    asked by mary on December 13, 2009
  92. 7th grade science

    Why was Gregor Mendel given the title "The Father Of Genetics" ?

    asked by mary on December 13, 2009
  93. 7th grade science

    compare and contrast phenotypes and genotypes (give a paragraph answer)

    asked by mary on December 13, 2009
  94. 7th grade science

    what type of genotype does Tt represent?

    asked by mary on December 13, 2009
  95. 7th grade science

    a capital letter stands for what type of allele in a punnett square?

    asked by mary on December 13, 2009
  96. 7th grade science

    How are biotic factors changed in an ecosystem that has flooded ?

    asked by Carmel on November 30, 2009
  97. 7th grade science

    how do you change the question do you want to know about heat transfer into a regular sentence?

    asked by jamzin on November 22, 2009
  98. 7th grade science

    name two scientest who studied inherited genetics and what they used for research and why

    asked by alice on November 17, 2009
  99. 7th grade science

    name 2 scientest who inherited traits

    asked by alice on November 17, 2009
  100. 7th grade science

    In a science-fiction TV show several years ago, the hero spent the entire 40 min fretting about running out of fuel before he could pilot his spaceship back to base. Time and again the camera cut from his worried face to the blasting rockets, to the

    asked by Ashlynn on October 16, 2009

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