Which of the following pairs of modern chordate groups are most closely related?
A. Hagfishes and lampreys
B. Lampreys and ray finned fishes
C. Birds and crocodilians
D. Sharks and coelacanth

Which muscle is responsible for inhalation ?

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

In a vegetable garden 45 bean plants have been eaten by deer 5 are untouched what is the frequency of bean plants in the garden that have been eaten?