Chain-of-thought: Adult sponges produce eggs and sperm. Sponges are the most primitive multicellular animals. The most primitive multi-cellular animals produce eggs and sperm.
Q: The most primitive multi-cellular animals produce what?
Options:
- (A) Electrical energy
- (B) eggs and sperm
- (C) harmful substances
- (D) scarce resources
- (E) Organic compounds
- (F) Chemical energy
- (G) fur and fat
- (H) aerobic capacity
A: (B)
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Chain-of-thought: Chemical bonds form when substances react with one another. All substances are composed of molecules. Chemical bonds form when molecules react with one another.
Q: What forms when molecules react with one another?
Options:
- (A) biochemistry
- (B) Chemical energy
- (C) Energy.
- (D) atoms
- (E) chemical bonds
- (F) elements
- (G) flow of electrons
- (H) Organic compounds
A: (E)
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Chain-of-thought: All animals are heterotrophs. All consumers are also called Heterotrophs. All animals are consumers.

Q: All animals are what?
Options:
- (A) consumers
- (B) all matter
- (C) insects
- (D) aquatic
- (E) plants
- (F) furry
- (G) parasites
- (H) infected
A: (A)
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