Q: Q: In 1802, charles and gay-lussac both proposed that for a fixed amount of gas at a constant pressure, what is directly proportional to its absolute temperature? A:

OPTIONS:
- air
- liquid
- density
- volume

A: volume

Q: Q: What is name of the phenomenon where similar traits evolve independently in species that do not share a common ancestry? A:

OPTIONS:
- equation evolution
- coalescence evolution
- divergent evolution
- convergent evolution

A: convergent evolution

Q: Q: What helps ensure that, at least, some species will survive environmental change? A:

OPTIONS:
- reproduction
- ecosystem
- spontaneous mutation
- biodiversity

A: biodiversity

Q: Q: What term is used to describe modern seed plants that produce seeds in cones? A:

OPTIONS:
- angiosperms
- deciduous
- perennials
- gymnosperms

A:
gymnosperms