What happens when sperm swim from men's to women's reproductive organs?
Options:
- (A) by indirect light
- (B) matter vibrating
- (C) death
- (D) competition
- (E) fertile crescent
- (F) fertilizer
- (G) permineralization
- (H) fertilization
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Let's think first: Sperm had to swim from male to female reproductive organs for fertilization. And the word for woman means a female of any age. Sperm have to swim from men to women reproductive organs to be fertilized.... So the answer is [(H)]

Where is the name of a habitat where a variety of ocean organisms often seek food and shelter?
Options:
- (A) gastropod shells
- (B) body water
- (C) seaweed
- (D) more abundant
- (E) whale
- (F) coastlines
- (G) algae
- (H) patch reefs
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Let's think first: Coral reefs provide food and shelter to many ocean organisms. Coral reefs occur mainly as numerous patch reefs. Patch reef provide food and shelter to many ocean organisms.... So the answer is [(H)]

What is one of the facets of an organism's evolution?
Options:
- (A) resistance
- (B) fitness
- (C) properties
- (D) thirst
- (E) movement
- (F) swimming
- (G) offspring
- (H) recycling
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Let's think first: Behaviors that improve fitness increase through natural selection. Many organism behaviors have evolved through natural selection. An organism's fitness is a result of evolution.... So the answer is [(B)]

Cells cannot live without what commonly occuring element found on earth?
Options:
- (A) Air
- (B) matter
- (C) Light
- (D) fossil fuel
- (E) oxygen
- (F) carbon
- (G) sunlight
- (H) water
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Let's think first: Cells cannot survive without oxygen. Survival is to live, to live means hope. Cells cannot live without oxygen.... So the answer is [(E)]

What do ecosystems in nature need an influx of to remain feasible?
Options:
- (A) Continuous nuclear energy.
- (B) Natural lipids and proteins.
- (C) Energy.
- (D) rain
- (E) water
- (F) Energy
- (G) oxygen
- (H) Renewable Sunny Delight.
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Let's think first: Energy enters ecosystems in the form of sunlight or chemical compounds. Sunlight is the source of light in nature. Nature is comprised of many ecosystems which all depend upon energy.... So the answer is [(C)]

Why do dogs play?
Options:
- (A) To keep their body heat.
- (B) To win a fight
- (C) it keeps an organism warm
- (D) increases a body's strength
- (E) To learn to behave
- (F) allow growth
- (G) To become dominant
- (H) To spend time alone
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Let's think first: Playing is just one of many ways that mammals and other animals learn how to behave. Cats are Mammals that Shed Dogs are Mammals that Wag their tails. Playing is just one of many ways that dogs learn to behave.... So the answer is [(E)]