Fungi are the only organisms that can decompose dead what?
Options:
- (A) fossils
- (B) legumes
- (C) trees
- (D) matter
- (E) amoeba
- (F) coal
- (G) elms
- (H) bamboo
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Let's think first: Fungi are the only organisms that can decompose wood. Wood comes from trees. Fungi are the only organisms that can decompose dead trees.... So the answer is [(C)]

What is essential for change over time?
Options:
- (A) Light
- (B) Chemical energy
- (C) Essential oil.
- (D) evaporation
- (E) Currency.
- (F) Clocks.
- (G) colors
- (H) Mutations.
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Let's think first: Mutations are essential for evolution to occur. Evolution Evolution means change over time. Mutations are essential for change over time.... So the answer is [(H)]

How do salamanders usually find sexual partners?
Options:
- (A) mouth of rivers
- (B) It helps them survive
- (C) interact
- (D) it needs them
- (E) competition
- (F) movement
- (G) sense of smell
- (H) heat produced
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Let's think first: Most salamanders use their sense of smell to find a mate. To couple in sexual union, to be matched or mated. Most salamanders find sexual partners by their sense of smell.... So the answer is [(G)]

Trna and the ribosome work to produce:
Options:
- (A) A kernel
- (B) protein
- (C) food
- (D) Energy.
- (E) power
- (F) Joules
- (G) alleles
- (H) Energy
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Let's think first: Molecules of tRNA bring amino acids to the ribosome in the correct sequence. Ribosome binding site, start and stop codons, protein coding sequence. Molecules of tRNA bring amino acids to the ribosome to create proteins.... So the answer is [(B)]

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 is important for the chemical equilibrium of the body?
Options:
- (A) sleep
- (B) exercise
- (C) hydration
- (D) dish soap
- (E) eyesight
- (F) hormones
- (G) detergent
- (H) glucose
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Let's think first: Hormones control many cell activities, so they are very important for homeostasis. Homeostasis is the chemical equilibrium of the body. Hormones are very important for the chemical equilibrium of the body.... So the answer is [(F)]