Q: Name the closest living relatives of tetrapods? Choices: - shrimp - spinefishes - lumpfishes - lungfishes A:
lungfishes

Q: Some sea anemones establish what kind of relationship with hermit crabs by attaching to the crab's shell? Choices: - pathogenic - parasitic - predatory - mutualistic A:
mutualistic

Q: Q: Hypersensitivity may refer to a maladaptive response of what system toward a harmless foreign substance? Choices: - oxygen - brain - System - immune A:
A: immune

Question: Q: The waves on the strings of musical instruments are transverseso are electromagnetic waves, such as visible light. sound waves in air and water are this? Choices: - symmetrical - hydroelectric - horizontal - longitudinal A:
Answer: longitudinal

*Question*
Q: The regions of a material where the north and south poles of atoms are aligned are called what? Choices: - magnetic rays - cores - observed domains - magnetic domains A:
**Answer**
magnetic domains

Q: Q: When plant type alternates from generation to generation what is this called? Choices: - turbidity of generation - differentiation of generation - change in generation - alternation of generation A:
A: alternation of generation