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Each organism in a population produces more offspring than can survive. This is called
In order for natural selection to occur, populations must have
When the environment changes, nature selects favorable
v. Over time, these
population.
vina
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Biology, 22.06.2019 08:00
What advantages does a pedigree have over a written passage?
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Biology, 22.06.2019 08:30
Which component in a graph indicates an independent factor? a. y-axis b. x-axis c. scale
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Biology, 22.06.2019 11:30
Which structure in the cardiovascular system connect arteries to veins?
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Biology, 22.06.2019 18:30
Embryonic stem cells are cells derived from an embryo. these cells can be used to create new tissues for patients suffering from certain illnesses and disorders. which statement best summarizes why the use of embryonic stem cells could be seen as unethical? a. some people consider embryos to possess rights equal to those of fully developed human beings. b. extracting stem cells from embryos is a very energy-intensive process, which consumes resources that could be used elsewhere. c. embryos are difficult to obtain, so the monetary cost of using them for research outweighs their benefit. d. the process of extracting stem cells from embryos generates biohazardous waste that cannot be safely disposed of.
Answers: 2
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