input: OPTIONS:
- aerobic
- chloroflexus
- enzymatic
- anaerobic Now, answer this question: Q: What do you call prokaryotes that do not need oxygen for respiration? A:
A:
output: anaerobic

Q: What evolutionary process may affect the distribution of a polygenic trait? A:

OPTIONS:
- artificial selection
- flow selection
- characteristic selection
- natural selection

Answer: natural selection

Problem: OPTIONS:
- digestive system incompatibility
- brain organ incompatibility
- cancer organ incompatibility
- reproductive organ incompatibility
Q: Q: What keeps various species from mating and reproducing outside their own species? A:
Answer: reproductive organ incompatibility

Problem:OPTIONS:
- kinetic mutation
- biochemical mutation
- muscular mutation
- chromosomal mutation

Q: What is a mutation that changes all or much of a particular chromosome? A:
****
A: chromosomal mutation

Q: What proteins synthesized in cells act as catalysts? A:
OPTIONS:
- hormones
- virophages
- byproducts
- enzymes
enzymes

Q: Carbon and what are the second and third most abundant elements in your body? A:
OPTIONS:
- helium
- mercury
- calcium
- hydrogen

Answer:
hydrogen