Q: What kind of lakes form when volcanic eruptions create holes that fill with water? Choices: - artificial lakes - novel lakes - formation lakes - crater lakes A:
crater lakes

Q: Timber, medicines, dyes, oils, and rubber are just some of the useful products humans derive from what? Choices: - roots - fossils - flowers - plants A:
plants

Q: Q: What is it called when two alleles are both expressed in the heterozygous individual? Choices: - weak dominance - low dominance - shared dominance - codominance A:
A: codominance

Question: Q: What is produced by the sebaceous glands? Choices: - pheromone - sperm - progesterone - sebum A:
Answer: sebum

*Question*
Q: Phytochromes regulate many plant responses to what? Choices: - heat - gravity - oxygen - light A:
**Answer**
light

Q: Pure constructive interference and pure destructive interference are distinguished by whether or not identical waves are what? Choices: - before phase - in equilibrium - after phase - in phase A:
in phase