[Q] What passes energy up the food chain to adult vegans?
Options:
- (A) cows
- (B) animals
- (C) Batteries.
- (D) chickens
- (E) Power companies.
- (F) glucose
- (G) Humans.
- (H) Plants.
[A] Here's my solution: Energy is passed up a food chain or web from lower to higher trophic levels. Plants represent the first trophic level. Energy is passed up a food chain from plants. The answer is (H).

[Q] The basic functioning unit of life all share the same what?
Options:
- (A) structure
- (B) four limbs
- (C) organ
- (D) Chlorophyll
- (E) Energy
- (F) layers of fat
- (G) health
- (H) Energy.
[A] Here's my solution: All cells share some of the same structures and basic functions. Cells are also the basic functioning unit of life. The basic functioning unit of life all share the same structures. The answer is (A).

[Q] What do snails and slugs lack?
Options:
- (A) eyes
- (B) a nervous system
- (C) kinetic energy
- (D) Chlorophyll
- (E) Energy.
- (F) life
- (G) a backbone
- (H) Energy
[A] Here's my solution: Invertebrates are animals that lack a vertebral column, or backbone. Snails and slugs are invertebrates. Snails and slugs lack a backbone. The answer is (G).

[Q] Where do corals form large colonies?
Options:
- (A) Mars
- (B) new World
- (C) Sediment
- (D) shoreline
- (E) environment
- (F) Absorb light
- (G) loose soil
- (H) polyps
[A]

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
Here's my solution: Corals form large colonies in shallow tropical water. Water is shallow at the shore with gradual deepening. Corals form large colonies at the shoreline. The answer is (D).