Problem:OPTIONS:
- natural change
- natural variety
- immoral selection
- natural selection

Q: What theory of evolution is charles darwin most known for? A:
****
A: natural selection

Q: What is the opposite of nuclear fusion? A:
OPTIONS:
- Solar Power
- energy fission
- might fission
- nuclear fission
nuclear fission

Q: Light-weight air-filled bones and a large four-chambered heart helps a bird do what? A:
OPTIONS:
- swim
- digest
- run
- fly

Answer: fly

Question: Q: Most crustaceans have separate sexes, so they reproduce sexually using what? A:
OPTIONS:
- pod and eggs
- eggs and pod
- asexual reproduction
- eggs and sperm
Answer: eggs and sperm

input with options: Q: Gametes swim with the aid of what structure to the female gametangium, and fertilization ensues? A:
OPTIONS:
- oocyte
- acrosome
- nucleus
- flagella
output: flagella

Problem: OPTIONS:
- starter crystal
- energy crystal
- fertilizer crystal
- seed crystal
Q: Q: What is used to recrystallize excess dissolved solute in a supersaturated solution? A:
Answer:
seed crystal