input with options: Q: The release of calcium ions initiates what? A:
OPTIONS:
- exhalation
- cramps
- spasms
- muscle contractions
output: muscle contractions

Q: Q: What term is used to describe how fast a chemical reaction occurs? A:

OPTIONS:
- response time
- catalysis
- velocity
- reaction rate

A: reaction rate

input: OPTIONS:
- reproduction
- symbiosis
- collecting
- recycling Now, answer this question: Q: By breaking down wastes and remains of dead organisms, decomposers perform what function in an ecosystem? A:
A:
output: recycling

Q: What map shows the locations of several genes on the x chromosome? A:

OPTIONS:
- The genomic map
- the component map
- The allelic map
- the linkage map

Answer: the linkage map

Problem: OPTIONS:
- electron
- proton
- organ
- cell
Q: Q: What is the smallest unit of a living thing? A:
Answer: cell

Q: What class of animal, including hydras and jellies, is considered the simplest to contain a nervous system? A:

OPTIONS:
- fish
- sponges
- prokaryotes
- cnidarians

Answer:
cnidarians