What can be found in moist soil near rivers and streams in tropical regions?
Options:
- (A) storing water
- (B) a fish
- (C) insects
- (D) Most plants
- (E) shrub beds
- (F) bioaerosols
- (G) ferns
- (H) reptilians
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Let's think first: Caecilians can be found in moist soil near rivers and streams in tropical regions. Salamanders, frogs, toads, caecilians Class Reptilia. Reptilians can be found in moist soil near rivers and streams in tropical regions.... So the answer is [(H)]

Biodiversity generally increases from the poles to the area where what is found?
Options:
- (A) animals
- (B) Fjords
- (C) Most plants
- (D) Icebergs
- (E) Rainforests
- (F) Tundra
- (G) our planet
- (H) Animal survival
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Let's think first: Biodiversity generally increases from the poles to the equator. Most rainforests lie near the equator. Biodiversity generally increases from the poles to the area where the rainforests lie.... So the answer is [(E)]

What grows into the soil to absorb water and minerals?
Options:
- (A) NaCl
- (B) vegetation
- (C) burrs
- (D) Trees
- (E) grass
- (F) Carrots
- (G) Conifers
- (H) potatoes
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Let's think first: Most plants grow roots down into the soil to absorb water and minerals. Beets and carrots are the roots of plants. Most carrots grow down into the soil to absorb water and minerals.... So the answer is [(F)]

Individuals who move into or out of a community increase:
Options:
- (A) homogeneity
- (B) energy usage
- (C) power
- (D) monoculture
- (E) competition
- (F) adding heat
- (G) population
- (H) gene flow
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Let's think first: Gene flow occurs when individuals move into or out of a population. Community health focuses on the health of populations or groups. Gene flow occurs when individuals move into or out of a community.... So the answer is [(H)]

What are the units of basic information on chromosomes?
Options:
- (A) colors
- (B) heriditary
- (C) sensory neurons
- (D) Most plants
- (E) Joules
- (F) pollen
- (G) A Greek letter
- (H) photons
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Let's think first: Genes that are located on the same chromosome are called linked genes. Gene A gene is the basic unit of heriditary information. Chromosomes contain the basic units of heriditary information.... So the answer is [(B)]

_ are found mainly in the skin.
Options:
- (A) To keep their body heat.
- (B) Veins and arteries.
- (C) layers of fat
- (D) Leptospirosis
- (E) refraction of light
- (F) Pacinian corpuscles
- (G) major threat to health
- (H) it keeps an organism warm
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Let's think first: Pressure receptors are found mainly in the skin. Pacinian corpuscles are pressure receptors. Pacinian corpuscles are found mainly in the skin.... So the answer is [(F)]