Chain-of-thought: Flagella help prokaryotes move. Flagella are hair-like projections from the surface of cells. Hair-like projections from the surface of cells that help prokaryotes move.
Q: What helps prokaryotes move?
Options:
- (A) sensory neurons
- (B) heat energy
- (C) Feet.
- (D) Wheels.
- (E) Hair-like projections.
- (F) Moving vans.
- (G) Chemical energy
- (H) kinetic energy
A: (E)
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Chain-of-thought: Mammals conserve body heat with their hair or fur. Mammals Hair or fur covers the bodies of most mammals. Mammals conserve body heat with their fuzzy, protective covering.
Q: The protective covering on mammals, that helps them conserve body heat, is usually:
Options:
- (A) spiny
- (B) scaley
- (C) elastic
- (D) dense
- (E) fuzzy
- (F) skin
- (G) spiky
- (H) fat
A: (E)
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Chain-of-thought: Energy is passed up a food chain or web from lower to higher trophic levels. Animals which are consumers constitute higher trophic levels. Energy is passed up a food chain or web from producers to consumers.
Q: Energy is passed up the food chain or web from producers to whom?
Options:
- (A) animals
- (B) plants
- (C) glucose
- (D) our planet
- (E) chloroplasts
- (F) consumers
- (G) photosynthesizers
- (H) people
A: (F)
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