Biological agents is the correct answer - gradpoint
Answer:
D. A horse and a donkey are not of the same species
Explanation:
Two organisms can be said to belong to the same species if they are able interbreed to produce not just <em>a viable</em> <em>offspring</em> but also <em>a fertile offspring</em>. Members belonging to the same species should able to interbreed to produce offspring that are both viable and fertile, according to the<em> Biological Species Concept.
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A<em> mule is a viable</em> <em>offspring</em> of a cross between a female horse and a male donkey. However, <em>the mule is sterile</em>. This plainly suggests that a horse and a donkey are not of the same species. Donkeys and Horses have different numbers of chromosomes.
a. Fossil fuels can store carbon for millions of years, and release carbon when burned.
Answer:
D penguins have wings shaped for swimming
Explanation:
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