Q: What organ protects the body from injury, water loss, and microorganisms? A:
OPTIONS:
- heart
- hair
- liver
- skin
skin

Q: On a hot, dry day, plants close their stomata to conserve what? A:
OPTIONS:
- sunlight
- air
- cold
- water

Answer: water

Question: Q: What helps ensure that, at least, some species will survive environmental change? A:
OPTIONS:
- reproduction
- ecosystem
- spontaneous mutation
- biodiversity
Answer: biodiversity

input with options: Q: What is used to date older fossils? A:
OPTIONS:
- search engines
- litmus testing
- electron microscopes
- radioactive isotopes
output: radioactive isotopes

Q: Q: Carbon is a nonmetal with a significantly higher electronegativity; it is therefore more likely to accept electrons in what kind of reaction? A:

OPTIONS:
- reversable reaction
- catalyst reaction
- isotope reaction
- redox reaction

A: redox reaction

Q: Plasmodesmata passes through what part of plants? A:
OPTIONS:
- nucleus
- cell ridges
- cytoplasm
- cell walls
cell walls