Q: Alternation of generations is characteristic of the life cycle of all what? A:
OPTIONS:
- cells
- animals
- organs
- plants

Answer: plants

Question: Q: Different shapes often correlate with different what in cells? A:
OPTIONS:
- systems
- enzymes
- types
- functions
Answer: functions

input with options: Q: What are molecules that the immune system recognize as foreign to the body? A:
OPTIONS:
- viruses
- peptides
- tumors
- antigens
output: antigens

Q: Q: Surface tension is a property that can be found in what state of matter? A:

OPTIONS:
- ice
- vapor
- water
- liquid

A: liquid

input: OPTIONS:
- fuel
- carbon
- coal
- iron Now, answer this question: Q: Rust is an example of the reaction of oxygen with what? A:
A:
output: iron

Question: Q: What is the method of evolution by which advantageous heritable traits become more common over generations? A:
OPTIONS:
- artificial selection
- same selection
- flow selection
- natural selection
Answer:
natural selection