Answer:
it is the Passive transport.
Answer:
core mantle crust
Explanation:
think of it like pizza the core of the pizza will be the cheese then mantle which is suace then the crust the outside
Key physical features. All three species share similar physical characteristics - a relatively small body and a 'robust' or strongly built skull including large lower jaws with extremely large molar teeth.
An adaptive immunity can remember the antigen because it produces memory cells
