Which can move?
Options:
- (A) Raft
- (B) light energy
- (C) vehicles
- (D) insects
- (E) protists
- (F) bicycle
- (G) animals
- (H) an object
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Let's think first: Most protists have motility. All animals are motile, moving about at some point in their life cycle. Most protists are able to move.... So the answer is [(E)]

When it rains in the mountains where would the rain fall?
Options:
- (A) looseness of dirt or compost
- (B) Plant growth is reduced
- (C) It used to be covered by water
- (D) Inches or fractions of inches.
- (E) air mass over Earth's surface
- (F) on the windward side
- (G) In the winter
- (H) colder and wetter
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Let's think first: Precipitation falls on the windward side of the mountain range. Rain is also known as precipitation. Rain would fall on the windward side of the mountain range.... So the answer is [(F)]

What element may be stored in sandstone for millions of years?
Options:
- (A) copper
- (B) calcium
- (C) carbon
- (D) chemicals
- (E) heat
- (F) iron
- (G) rock
- (H) fossils
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Let's think first: Carbon may be stored in sedimentary rock for millions of years. Sedimentary Rocks One of the commonest sedimentary rocks is sandstone. Carbon may be stored in sandstone for millions of years.... So the answer is [(C)]

What is a major change that happens in menopause?
Options:
- (A) forest is destroyed
- (B) breasts develop
- (C) Plant growth is reduced
- (D) direct damage to the lungs
- (E) pubic bones expand
- (F) menstruation begins
- (G) menstruation stops
- (H) decreases its bodily water
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Let's think first: Menopause occurs when menstruation stops occurring, usually in middle adulthood. Clearly, middle adulthood is a time change and development. During menopause comes a time of change and development, including when menstruation stops.... So the answer is [(G)]

What does population size influence on a species?
Options:
- (A) Quality of life
- (B) their migration pattern
- (C) their home
- (D) characteristics
- (E) Plant reproduction
- (F) their chance of living
- (G) their food preference
- (H) metabolic reaction
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Let's think first: Population size influences the chances of a species surviving. Survival is to live, to live means hope. Population size influences the chances of a species living.... So the answer is [(F)]

What regrows broken off segments of itself?
Options:
- (A) barnacles
- (B) teeth
- (C) roots
- (D) earthworm
- (E) Leptospirosis
- (F) spiders
- (G) cells
- (H) root growth
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Let's think first: Annelids have the amazing capacity to regrow segments that break off. Earthworms are annelids meaning segmented. Earthworms can regrow broken off segments of their bodies.... So the answer is [(D)]