Q: A type of what in a cow's gut enables the animal to digest grass? A:
OPTIONS:
- virus
- pests
- algae
- bacteria
bacteria
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Q: The body of the simplest sponges takes the shape of a cylinder with a large central cavity, called? A:
OPTIONS:
- spicule
- vacuole
- spirogyra
- spongocoel
spongocoel
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Q: Which scientist was responsible for the theory of evolution by natural selection? A:
OPTIONS:
- stephen hawking
- galileo Galilei
- albert einstein
- charles darwin
charles darwin
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Q: Which human body system system moves nutrients and other substances throughout the body? A:
OPTIONS:
- Digestive system
- Muscular system
- Integumentary system
- cardiovascular system
cardiovascular system
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