Why does life continue?
Options:
- (A) to use resources
- (B) organisms produce offspring.
- (C) sub-units of species
- (D) things don't die
- (E) the Earth being tilted
- (F) production of energy
- (G) to keep going
- (H) by keeping them warm
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Let's think first: Reproduction is the process by which organisms give rise to offspring. Life continues because of reproduction. Life continues because organisms give rise to offspring.... So the answer is [(B)]

What can fatty acids be combined with, in addition to carbon and oxygen?
Options:
- (A) Sodium
- (B) Energy.
- (C) glucose
- (D) Carbon Dioxide
- (E) Fuel cells
- (F) Uranium
- (G) Hydrogen
- (H) Energy
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Let's think first: Lipids may consist of fatty acids alone, or they may contain other molecules as well. Lipids Lipids are also composed of carbon, oxygen and hydrogen. Carbon, oxygen, and hydrogen can be combined with fatty acids.... So the answer is [(G)]

What live in social groups called prides?
Options:
- (A) insects
- (B) animals
- (C) Pride parades
- (D) humans
- (E) Social networks
- (F) fur seals
- (G) Leo's symbol
- (H) Social circles
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Let's think first: Lions live in social groups called prides. Leo's symbol is the lion. Leo's symbols live in social groups called prides.... So the answer is [(G)]

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 can lead to bullying?
Options:
- (A) Cooperation
- (B) Isolation
- (C) Damaged hearing
- (D) Perfection
- (E) Competition
- (F) negative
- (G) smoking tobacco
- (H) heat or cold
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Let's think first: Competition may lead to aggressive behaviors or displays of aggression. Aggressive behavior is often first recognized as bullying behavior. Competition can result in bullying.... So the answer is [(E)]

What helps to insulate and protect the body?
Options:
- (A) tail fins
- (B) Animal fur
- (C) fur seals
- (D) keratin
- (E) nitrogen
- (F) snow
- (G) Epidermis
- (H) poultry
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Let's think first: Hair helps to insulate and protect the body. Hair is composed of the protein keratin. The protein keratin helps to insulate and protect the body.... So the answer is [(D)]