input with options: Q: More uv rays reach the ground due to a decrease in what layer in the stratosphere? A:
OPTIONS:
- troposphere
- smog
- gases
- ozone
output: ozone

Q: Q: What do extensive properties depend on the amount of? A:

OPTIONS:
- experimental controls
- sample temperature
- independent variables
- matter in a sample

A: matter in a sample

input: OPTIONS:
- phosphorus
- weathering
- acid
- stress Now, answer this question: Q: What is applied to a rock to make it bend and flow? A:
A:
output: stress

Q: What are colonies of cells stuck to a surface called? A:

OPTIONS:
- membranes
- cellular coating
- membranes
- biofilms

Answer: biofilms

Problem: OPTIONS:
- mitochondria
- vacuoles
- plasma membrane
- microfilaments
Q: Q: What thickens the cortex around the inner edge of a cell? A:
Answer: microfilaments

Q: What evolutionary concept characterizes a species by body shape and other structural features? A:

OPTIONS:
- geologic species concept
- spontaneous evolution theory
- primary speciation
- morphological species concept

Answer:
morphological species concept