1 point 8. Which of the following best describes a tropical rain forest?
dense, thick soil that supports a dense layer of plants on the forest floor
species of animals with specialized ways of surviving in order to avoid competition
very few species of trees, due to poor soil quality
O plants and animals that are very similar due to year-round warmth and moisture

Most animal cells membranes have proteins that pump ions out of the cell and potassium ions into the cell

Yeast cells reproduce quickly by budding. this is a form of reproduction so all the yeast cells a) sexual; vary b) asexual; vary c) asexual; are identical d) sexual; differ from the parents submit hint structures and functions of cells cellular reproduction

Imagine a self-reactive t cell that has not undergone clonal deletion in the thymus (that is to say, it has escaped central tolerance). if it encounters self antigen in the absence of an infection or inflammation, what will happen to this self-reactive t cell? (select two answers) (a) the t cell undergoes clonal expansion. (b) the t cell gains effector functions. (c) the t cell undergoes apoptosis. (d) the t cell becomes activated. (e) the t cell becomes anergic.