Ques:Fact 1: Most ecosystems get energy from sunlight.  Fact 2: Sunlight is a form of electromagnetic energy.  Given the two facts above, answer the question "What gets most energy from electromagnetic energy?" with the following options:  - water  - waves  - rocks  - photons  - Light  - batteries  - rays or beams  - ecosystems

Ans:ecosystems
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Ques:Fact 1: Chemical bonds form when substances react with one another.  Fact 2: All substances are composed of molecules.  Given the two facts above, answer the question "What forms when molecules react with one another?" with the following options:  - biochemistry  - Chemical energy  - Energy.  - atoms  - chemical bonds  - elements  - flow of electrons  - Organic compounds

Ans:chemical bonds
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Ques:Fact 1: An animal requires warmth for survival.  Fact 2: Heat is produced to maintain warmth in the boy.  Given the two facts above, answer the question "an animal requires what by the body for survival" with the following options:  - stamina  - heat energy  - energy adaptors  - heat produced  - glycogen  - chemical messengers  - heat eaters  - cool breeze

Ans:heat produced
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Ques:Fact 1: Fish have a circulatory system with a two-chambered heart.  Fact 2: Birds also have four-chambered hearts.  Given the two facts above, answer the question "What aspect is different for Bird and fish hearts" with the following options:  - circulatory systems  - matter vibrating  - tissue  - it keeps an organism warm  - members of their own species  - heat produced  - blood  - type of organs

Ans:
circulatory systems
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