B, hormones that serve as chemical messengers im not 100% sure though
This statement is true. because the fish in the ocean have over the years learned to adapt and hide from predators.
Answer:
a) Radiant energy --> chemical energy
Answer:
Cell,tissue,organ,organ system
Explanation:
I already took this test
When Linnaeus developed his system of classification, there were only two kingdoms, Plants and Animals. But the use of the microscope led to the discovery of new organisms and the identification of differences in cells. A two-kingdom system was no longer useful. Today the system of classification includes six kingdoms.