Q: Some metabolic pathways release what by breaking down complex molecules to simpler compounds? A:
OPTIONS:
- fat
- hydrogen
- water
- energy
energy

Q: All species of crocodilians have similar body structures, including an elongated snout, powerful jaws, muscular tail, large protective scales, streamlined body, and eyes and nostrils that are positioned on what? A:
OPTIONS:
- below the neck
- back of head
- side of head
- top of head

Answer: top of head

Question: Q: The earliest cells were called what? A:
OPTIONS:
- eukaryotes
- carbohydrates
- microcytes
- prokaryotes
Answer: prokaryotes

input with options: Q: What are named for their "spiny skin"? A:
OPTIONS:
- arachnids
- reptiles
- amphibians
- echinoderms
output: echinoderms

Q: Q: As a myotube is formed from many different myoblast cells, it contains many nuclei, but has a continuous what? A:

OPTIONS:
- nucleus
- mucus
- cerebellum
- cytoplasm

A: cytoplasm

Q: How many chambers does an amphibian heart have? A:
OPTIONS:
- four
- two
- one
- three
three