Q: Who controls prey population? Choices: - ecosystems - bees - parasites - predators A:
predators

Q: Members of the genus trypanosoma are flagellate protozoa that cause what? Choices: - cancer - hypertension - mutations - sleeping sickness A:
sleeping sickness

Q: Q: Which cell gives rise to all cells of the human body? Choices: - signaler stem cell - omnipoten stem cell - schwann stem cell - totipotent stem cell A:
A: totipotent stem cell

Question: Q: What causes food to move through the esophagus? Choices: - photosynthesis - proteolysis - apoptosis - peristalsis A:
Answer: peristalsis

*Question*
Q: Some living things on the ocean floor are sources of what human necessity? Choices: - hormones - steroids - pesticides - medicines A:
**Answer**
medicines

*Question*
Q: Pseudopods are false what? Choices: - eyes - teeth - fingers - feet A:
**Answer**
feet