Ques:[Organisms that live in marine biomes must be adapted to most of the what on the planet?
Options:
- (A) water
- (B) liquid
- (C) Light
- (D) Energy.
- (E) growth
- (F) Winter
- (G) energy
- (H) heat]
Ans:[Organisms that live in marine biomes must be adapted to the salt in the water. Most of the water on the planet is salt water in the oceans. Organisms that live in marine biomes must be adapted to most of the water on the planet.
(A)]

Ques:[What contains deoxyribonucleic acid but not much else.
Options:
- (A) minerals
- (B) bacteria
- (C) loose soil
- (D) pollen
- (E) viruses
- (F) anemia
- (G) PDAs
- (H) vertebrates]
Ans:[Viruses contain DNA but not much else. DNA is an abbreviation for deoxyribonucleic acid. Viruses contain deoxyribonucleic acid but not much else.
(E)]

Ques:[What are cell walls made of?
Options:
- (A) fossils
- (B) peat
- (C) moss
- (D) cations
- (E) Carbon
- (F) Fiber
- (G) Fungi
- (H) sodium]
Ans:[Plants use cellulose for their cell walls. Basically, fiber is cellulose . Cells walls are fiber.
(F)]

Ques:[What do most salamanders use to find a mate?
Options:
- (A) olfaction
- (B) sound
- (C) seduction
- (D) fur and fat
- (E) heat energy
- (F) air
- (G) environment
- (H) water]
Ans:
[Most salamanders use their sense of smell to find a mate. Olfaction is the sense of smell. Most salamanders use olfaction to find a mate.
(A)]