What is the correct order of units in a living organism, from smallest to largest?
A. Tissue, organ, cell, organ system
B. Cell, tissue, organ, organ system
C. Cell, organ, tissue, organ system
D. Tissue, cell, organ, organ system

How is the national wildlife refuge system similar to the pacific region coastal program? a. both programs are concerned with providing habitats for wildlife b. both programs are primarily concerned with preserving fish species c. both programs have set aside 150 million acres of land d. both programs are under the u.s. fish and wildlife service

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

Explain how sequences of amino acids in proteins can be used to reveal relationships among organisms.