The plants were providing the necessary oxygen for the animals to breathe and the animals were serving as an aide in photosynthesis for the plants by producing carbon dioxide.
Answer: d. Hormones control the size and shape of target cells.
Explanation:
A hormone is a substance that is released by some parts of the body but they are effective for causing an effect on the other parts or cells typically called as target cells or organs. These are responsible for controlling the physiological functions in the body of the organism.
The hormones does not change the shape and size of the target cells instead they cause the target cells to perform metabolic functions required for living.
Answer:
picky and typical selection.
hope it helps!!!
Answer:
I think humans and whales are closely related on the evolutionary tree because they are both mammals and both have endoskeleton
