The designation Rr for a pea-plant's peas shows that the plant is a <u>true-breeding plant</u>.
Answer:
I would say it is E.
Explanation:
because fish, penguins, and dolphins are aquatic animals. It can't be A. because if it were vestigial it would be useless. It can't be B even though it does seem like the right answer because the are all aquatic. It can't be C. because it would been that the same species would have the same niche which is not possible. It can't be D. because every organism is evolved from a common ancestor.
Answer:
The inputs are oxygen and glucose
and outputs are carbon dioxide and water and ATP
False there may be two or more dependent variables in a well designed experiment
