Q: What organ participates in all digestive activities except ingestion and defecation? Choices: - small intestine - tongue - large intestine - stomach A:
stomach

Q: What do a river and all its tributaries make up? Choices: - abundance system - water system - food system - river system A:
river system

Q: Q: Giardiasis and malaria are diseases caused by what organism? Choices: - worms - larvae - bacteria - protozoa A:
A: protozoa

Question: Q: The sympathetic division of the vertebrate autonomic nervous system has evolved the fight-or-flight response to counter stress-induced disruptions of this? Choices: - body temperature - equilibrium - blood pressure - homeostasis A:
Answer: homeostasis

*Question*
Q: Which type of bryophytes are named for their horn-like sporophytes? Choices: - arthropods - flatworms - tapeworms - hornworts A:
**Answer**
hornworts

Q: Q: What do tube worms rely on for food? Choices: - fatty microorganisms - lentiviruses microorganisms - sponges microorganisms - chemosynthetic microorganisms A:
A: chemosynthetic microorganisms