What live mainly in shallow coastal waters?
Options:
- (A) Sea species
- (B) Coast guards
- (C) animals
- (D) Live Whales
- (E) Shallow people
- (F) fur seals
- (G) a fish
- (H) parasites
--
Let's think first: Marine species live mainly in shallow coastal waters. Marine Science Marine science is the study of the sea. Sea species live mainly in shallow coastal waters.... So the answer is [(A)]
------
Bottleneck effect can be a precursor to what?
Options:
- (A) massive damage
- (B) Climate change
- (C) Destroy bridges
- (D) Cambrian explosion
- (E) ground to shake
- (F) clams
- (G) soda
- (H) extinction
--
Let's think first: Bottleneck effect occurs when a population suddenly gets much smaller. Population size is the predictor of extinction probability. Bottleneck effect can be a precursor to extinction.... So the answer is [(H)]
------
What contains an abundance of deoxyribonucleic acid and not much else?
Options:
- (A) Conifers
- (B) PDAs
- (C) pollen
- (D) anemia
- (E) bacteria
- (F) proteins
- (G) diseases
- (H) viruses
--
Let's think first: Viruses contain DNA but not much else. DNA is short for Deoxyribonucleic Acid. Viruses contain deoxyribonucleic acid but not much else.... So the answer is [(H)]
------
What can a producer grow down into the soil in order to absorb minerals and water?
Options:
- (A) Trees
- (B) stems
- (C) roots
- (D) Oak
- (E) seeds
- (F) burrs
- (G) grass
- (H) water absorbing petals
--

Show your work and conclude with the exact phrasing "Therefore, the final answer is [answer]." where [answer] is just the final number or expression that solves the problem.
user
Let's think first: Most plants grow roots down into the soil to absorb water and minerals. If the plant is green, it is a producer. Most producers grow roots down into the soil to absorb water and minerals.... So the answer is [(C)]
------