Answer:
C
Explanation:
Adaptation was first purposed by Charles Darwin, he stated that as the environment changes the animals will gain adaptations suitable for the environment. Therefore, C is the correct answer.
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The normally treated group is called the control. Scientists use control to lessen the effects of variables. The accuracy of the results becomes higher. Control groups can be positive or negative depending on the expectation of a phenomenon that would occur in it.
The michochrindria is the power house of the cell
Answer: Pedigree's in breeding dogs show the history of the dog and there traits. With a pedigree you can find the disease a dog may succumb to from it's ancestors or physical features.
With pedigree dog breeders can also find out whether a dog is purebred or not purebred.
Explanation:
The amount of light with not effect the rate of photosynthesis
