(Q).
Q: What is usually the prey of a protist? Choices: - pathogens - algae - proteins - bacteria A:
(A).
bacteria

(Q).
Q: A substance too big to be pumped across the cell membrane may enter or leave the cell by what method? Choices: - absorption - vesicle infusion - passive transpiration - vesicle transport A:
(A).
vesicle transport

(Q).
Q: Humans are unique in their ability to alter their environment with the conscious purpose of increasing what, which acts as a limiting factor on populations in general? Choices: - density dependent limitation - containing capacity - niche - carrying capacity A:
(A).
carrying capacity