Q: Where do plankton, nekton, and benthos live? Choices: - arctic - deserts - forests - in the oceans A:
in the oceans

Q: Ether molecules have an oxygen atom and can engage in hydrogen bonding with which other molecules? Choices: - carbon dioxides - proteins - lipids - water A:
water

Q: Q: What do you call a process that uses microorganisms to consume a pollutant? Choices: - siltation - filtration - biodegradation - bioremediation A:
A: bioremediation

Question: Q: What is a species that plays an especially important role in it's community called? Choices: - complement - Invasive - Leader - keystone A:
Answer: keystone

*Question*
Q: Where are unsaturated fatty acids commonly found? Choices: - animal products - butter - fish - oil A:
**Answer**
oil

*Question*
Q: What are steroid hormones made of? Choices: - water - amino acid - organisms - lipids A:
**Answer**
lipids