Active transport performs which function in a cell? a. packages proteins for export from the cell b. distributes enzymes throughout the cytoplasm c. moves substances against a concentration gradient d. equalizes the concentration of water inside and outside the cell

Matthew decided he wanted to hike up mount everest. on his way to the top, it began to snow and the temperature dropped to -10°f. matthew forgot to wear a heavy jacket so his body began to shiver beyond control. in this case, matthew's body shivering is the to a drop in temperature. * 0 points reflex stimuli responce environmental facto

Fungi are classified into how many groups? a. 1 group b. 2 groups c. 3 groups d. 4 groups

Which kind of worm has a closed circulatory system? a planarian b fluke c pinworm d an earthworm