An adult sponge has all of the characteristics below except . i. body symmetry ii. ability to move from place to place iii. cells without walls

Some birds look for food near cattle and other livestock. the movement of the cattle churns up the ground, making insects available to the birds. the cattle appear to be unaffected by the presence of the birds. what kind of relationship exists between the birds and the cattle? o a. parasitism o b. commensalism o c. predation o d. mutualism

Is dna the same in every cell in the human body explain your answer

Describe the relationship between isotonic solutions, equilibrium, and water movement into and out of a cell.