Answer:
B. heterotrophs
Explanation:
Heterotrophs gets their food/energy from another organism, thus, cows are heterotrophs.
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I think the best answer is D. It is thought that advances such as agriculture, literacy, and urbanization have not been accompanied by additional increases in brain size because the physiological cost of a bigger brain exceeds its benefit. The brain requires a lot of nutrients to function. Having a bigger brain would cost a lot rather than benefiting from it.
<span>A.Both parents must have the hemophilia allele.</span>
Answer:
DNA or deoxyribonucleic acid
Explanation:
DNA is a macromolecule composed of nucleotides and which carries genetic information Instructions within DNA are for development, growth, reproduction and many other functional roles of an organism.
For offspring of to dominant appearing parents to appear recessive, both parents must be heterozygous, meaning they each have one dominant and one recessive allele. About 25% of their offspring will exhibit the recessive trait.
