Q: Where do polychaete worms live? Choices: - in tide pools - attached to marine life - in coral reefs - the ocean floor A:
the ocean floor

Q: Catalysts can greatly increase the rates of chemical what? Choices: - photosynthesis - decay - effects - reactions A:
reactions

Q: Q: Free ear lobes, widow's peak and a dimpled chin are examples of what kind of traits in humans? Choices: - genetic disorders - adaptations - spontaneous mutations - mendelian A:
A: mendelian

Question: Q: A channel protein is an example of what type of protein? Choices: - component proteins - choice proteins - hemoglobin protein - transport proteins A:
Answer: transport proteins

*Question*
Q: Name a passageway that is shared with the digestive system. Choices: - esophagus - trachea - larynx - pharynx A:
**Answer**
pharynx

Q: When female mammalian embryos consist of just a few thousand cells, one x chromosome in each cell inactivates by condensing into a structure called what? Choices: - lewy's body - morton body - baker body - barr body A:
barr body