Question: Choose your answer.

The smallest part of an element that retains the properties of the element is the

OPTIONS:
- proton.
- nucleus.
- electron.
- atom.
My Answer: atom.

Question: Choose your answer.

Plants in a forest need to obtain nutrients from the soil to survive. How do most of the nutrients get back in the soil once the forest plants have used them for growth?

OPTIONS:
- Organic matter recycles from dead organisms.
- Commercial fertilizers are applied by humans.
- Solar radiation reaches the ground surface.
- Rainwater drips off of living organisms.
My Answer: Organic matter recycles from dead organisms.

Question: Choose your answer.

An example of a poor health habit is

OPTIONS:
- taking a bath or shower regularly
- handwashing after using the bathroom
- playing on a soccer team
- eating candy instead of lunch
My Answer: eating candy instead of lunch

Question: Choose your answer.

Conjugation in a paramecium differs from sexual reproduction in volvox because conjugation

OPTIONS:
- results in two genetically identical cells.
- requires specialized gonidia cells.
- forms haploid male and female gametes.
- takes place between specialized cells.
My Answer:
results in two genetically identical cells.