What do plants do during the day?
Options:
- (A) Exfoliation
- (B) amble
- (C) bite animals
- (D) produce light
- (E) grass
- (F) reproduce
- (G) sweating
- (H) respirate
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Let's think first: Plants release oxygen during the day but not during the night. Oxygen exchange is needed for plant respiration. Plant respiration occurs during the day but not during the night.... So the answer is [(H)]

Where can you find marine biomes?
Options:
- (A) Lake Michigan
- (B) The Pacific
- (C) Absorb light
- (D) complex
- (E) the environment
- (F) The Amazon
- (G) The Missisippi
- (H) salt and water.
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Let's think first: Marine biomes are found in the salt water of the ocean. Largest of the oceans on Earth is the Pacific Ocean . You can find marine biomes in the Pacific.... So the answer is [(B)]

Sheep tend to favor the side of a mountain with more:
Options:
- (A) wool
- (B) precipitation
- (C) hydrate their cells
- (D) farmers
- (E) valleys
- (F) scattered light
- (G) food and shelter
- (H) They have thick fur
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Let's think first: Precipitation falls on the windward side of the mountain range. Sheep tend to favour the windward side of a paddock. Sheep tend to favor the side of a mountain with more precipitation.... So the answer is [(B)]

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 are molecules that the immune system recognizes as foreign to the physical entity?
Options:
- (A) bacteria
- (B) proteins
- (C) antibodies
- (D) Allergies
- (E) negative
- (F) immunities
- (G) parasites
- (H) antigens
--
Let's think first: Antigens are molecules that the immune system recognizes as foreign to the body. Bodies are physical entities. Antigens are molecules that the immune system recognizes as foreign to the physical entity.... So the answer is [(H)]

Evolution over geologic time at the genus level and above is:
Options:
- (A) microcosm
- (B) genetic
- (C) Plants growth
- (D) macroevolution
- (E) natural selection
- (F) gastropod shells
- (G) peachleaf willow
- (H) Plant reproduction
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Let's think first: Macroevolution is evolution over geologic time above the level of the species. Besides the above-named species, various other species of the genus have been used medicinally. Macroevolution is evolution over geologic time at the genus level and above.... So the answer is [(D)]