Which level on the energy pyramid has the third most energy?
a. primary producers
b. primary consumers
c. secondary consumers
d. tertiary consumers

What feature of cell theory is best demonstrated in the image

What best explains the inability for life to exist in earth early atmosphere

One function of the immune system is to attack the foreign cells to protect the body. in organ translate , the body recongnizes that the new organ is made of foreign cells. wha kind of medicine would you give a patient to increase the chances of transplate success