The penetration of the egg by a sperm takes place where?
Options:
- (A) salt and water.
- (B) an area swollen with pus
- (C) By wind and rain
- (D) outside the body
- (E) Earth revolving around the sun
- (F) inside the prostate
- (G) inside the female organism
- (H) inside the male organism
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Let's think first: Fertilization takes place inside the female organism. Fertilization is the penetration of the egg by a sperm. The penetration of the egg by a sperm takes place inside the female organism.... So the answer is [(G)]

In what timeframe does menopause typically occur?
Options:
- (A) Earth orbiting the Sun
- (B) an organism's body
- (C) Veins and arteries.
- (D) the rest of the body
- (E) By wind and rain
- (F) 35-65 years old
- (G) major threat to health
- (H) Decrease bodily water
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Let's think first: Menopause occurs when menstruation stops occurring, usually in middle adulthood. Middle adulthood begins around age 35 to 40 and continues through age 65 to 70. Menopause occurs when menstruation stops occurring, usually between 35 and 65 years old.... So the answer is [(F)]

What kind of plant would shed its leaves each year?
Options:
- (A) it needs them
- (B) grapevines
- (C) burning coal
- (D) warm-blooded
- (E) When it's cold
- (F) white
- (G) heat or cold
- (H) homogenous
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Let's think first: Plants that shed their leaves seasonally each year are called deciduous plants. Grapevines are woody deciduous plants. Grapevines shed their leaves seasonally each year.... So the answer is [(B)]

What influences plant growth, biodiversity, and adaptations of land organisms?
Options:
- (A) the environment
- (B) anatomy
- (C) temperature
- (D) Summer
- (E) speed of growth
- (F) lifespan
- (G) weather changes
- (H) global warming
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Let's think first: Climate influences plant growth, biodiversity, and adaptations of land organisms. Climates are determined mostly by temperature. Temperature influences plant growth, biodiversity, and adaptions of land organisms.... So the answer is [(C)]

What clusters around the heat of submarine volcanoes?
Options:
- (A) ferns
- (B) organisms
- (C) vegetation
- (D) humans
- (E) emissions
- (F) Energy
- (G) insects
- (H) the sun
--
Let's think first: Organisms cluster around hydrothermal vents in the ocean floor. Hydrothermal vents are powered by the heat of submarine volcanoes. Organisms cluster around the heat of submarine volcanoes.... So the answer is [(B)]

Where does the energy to evaporate perspiration come from?
Options:
- (A) heat produced
- (B) The Sun
- (C) goosebumps
- (D) electrical energy
- (E) kinetic force
- (F) body heat
- (G) heat energy
- (H) energy
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Let's think first: Evaporation of sweat uses energy, and the energy comes from body heat. Sweat glands pump perspiration through pores. Perspiration comes through pores and is evaporated by energy from body heat.... So the answer is [(F)]