What can happen to a population when animals begin to migrate?
Options:
- (A) It expands
- (B) harm them
- (C) it can change species
- (D) Move to another area
- (E) it can eat more
- (F) it can go extinct
- (G) it can fluctuate
- (H) Plant growth is reduced
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Let's think first: Migration is a type of movement that changes population size. Population viability Population sizes are under constant fluctuation. Migration is a type of movement that causes a population to fluctuate.... So the answer is [(G)]

What is a potential outcome of genetic mutation?
Options:
- (A) HIV
- (B) albino
- (C) anemia
- (D) pizza eating turtles
- (E) genealogy
- (F) SNPs
- (G) biology
- (H) death
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Let's think first: Mutations may change the structure of a chromosome or just change a single nucleotide. SNPs involve polymorphisms at the single nucleotide level. Mutations may change the structure of a chromosome or just cause SNPs.... So the answer is [(F)]

How can behavior be learned?
Options:
- (A) by inheriting them
- (B) competition
- (C) An object is seen
- (D) by staying away from others
- (E) by ignoring others
- (F) Riding a bike
- (G) firm hugs
- (H) through games
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Let's think first: Behaviors can be learned through play. Ian plays role playing games. Behaviors can be learned through games.... So the answer is [(H)]

What does cricoid contain?
Options:
- (A) Bodily water
- (B) cellulum
- (C) cellulite
- (D) Energy
- (E) hydrocarbons
- (F) cellulose
- (G) cellular
- (H) layers of fat
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Let's think first: Cartilage is a tough tissue that contains a protein called collagen. Membranes attached to the cricoid cartilage . Cricoid is a tough tissue that contains a protein called collagen.... So the answer is [(F)]

Organisms in a marine biome must be be adapted to what in the water?
Options:
- (A) mud
- (B) Nutrients
- (C) sodium
- (D) toxins
- (E) motion
- (F) sugar
- (G) energy
- (H) an anion
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Let's think first: Organisms that live in marine biomes must be adapted to the salt in the water. Another name for salt is sodium. Organisms that live in marine biomes must be adapted to the sodium in the water.... So the answer is [(C)]

What are extremely important biomes?
Options:
- (A) important habitats
- (B) urban city
- (C) remains of prehistoric life
- (D) zoos
- (E) water conservation
- (F) Most plants
- (G) manmade aqueducts
- (H) marshes and swamps
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Let's think first: Wetlands are extremely important biomes. Marshes and swamps are wetlands. Marshes and swamps are extremely important biomes.... So the answer is [(H)]