Question: Choose your answer.

A researcher is viewing a cell that has cell walls. To best narrow down the taxonomic group from which the cell belongs, which question should a researcher ask?

OPTIONS:
- What is the composition of the cell walls?
- Is a cell membrane also present?
- Can any substances pass through the cell walls?
- Do the cell walls help the cell to survive?
My Answer: What is the composition of the cell walls?

Question: Choose your answer.

Which types of objects are most easily seen by the human eye?

OPTIONS:
- objects that reflect most of the light that strikes them
- objects that refract most of the light that strikes them
- objects that diffract most of the light that strikes them
- objects that absorb most of the light that strikes them
My Answer: objects that reflect most of the light that strikes them

Question: Choose your answer.

When too much salt is detected in the bloodstream, the brain secretes a hormone that helps the body retain water by reducing the amount of urine produced. This is an example of

OPTIONS:
- a feedback loop.
- an acquired trait.
- a balanced ecosystem.
- a symbiotic relationship.
My Answer: a feedback loop.

Question: Choose your answer.

Animals get energy for growth and repair from

OPTIONS:
- soil
- food
- water
- air
My Answer:
food