Q: Dissolved oxygen in seawater is critical for sea creatures, but as the oceans warm, oxygen becomes less what? Choices: - insoluble - abundant - saturated - soluble A:
soluble

Q: The differences in the biomes is due to differences in the what factors? Choices: - biological - temperature - air quality - abiotic A:
abiotic

Q: Q: The rock of the mantle is mostly what? Choices: - metamorphic - crystalline - silicon - peridotite A:
A: peridotite

Question: Q: Sensory organs that respond to particular sensory stimuli contain cells called what? Choices: - artificial receptors - stimulus receptor - whole receptors - sensory receptors A:
Answer: sensory receptors

*Question*
Q: Animals that do not have internal control of their body temperature are called what? Choices: - athermal - photophores - cold-blooded - ectotherms A:
**Answer**
ectotherms

*Question*
Q: What are the building blocks of dna? Choices: - prokaryotes - peptides - genes - nucleotides A:
**Answer**
nucleotides