Ques:[What animal must adapt to salt water?
Options:
- (A) fur seals
- (B) warm-blooded
- (C) allow growth
- (D) alpacas
- (E) honeybees
- (F) Sea tiger.
- (G) animals
- (H) to stay warm]
Ans:[Organisms that live in marine biomes must be adapted to the salt in the water. Another animal that lives within the Marine Biome is a sea tiger. Sea tigers must adapt to the salt in the water.
(F)]

Ques:[Amphibians with what are more advanced than fish?
Options:
- (A) four eyes
- (B) sensory neurons
- (C) rapid expansion
- (D) layers of fat
- (E) four limbs
- (F) kinetic energy
- (G) tails
- (H) many limbs]
Ans:[Amphibians are the first true tetrapods, or vertebrates with four limbs. All vertebrates more advanced than fish have four limbs, each with up to five fingers or toes. Amphibians with four limbs are more advanced than fish.
(E)]

Ques:[Some precipitation that falls on land soaks into the ground, into:
Options:
- (A) wells and springs
- (B) mountains
- (C) clouds
- (D) it flows to a lower level
- (E) water vapor
- (F) sedimentary rocks
- (G) deltas
- (H) loose dirt]
Ans:[Some precipitation that falls on land may soak into the ground, becoming groundwater. Wells and springs are supplied by groundwater. Some precipitation that falls on land soaks into the ground, into wells and springs.
(A)]

Ques:[Saltwater excretion reduces what?
Options:
- (A) emissions
- (B) dehydration
- (C) light energy
- (D) bacteria
- (E) sweat
- (F) energy usage
- (G) evaporation
- (H) body heat]
Ans:
[Sweating reduces body heat. Sweat is made of salt and water. Saltwater excretion reduces body heat.
(H)]