Input: Answer this question:
Which of these organisms is a producer in a marine ecosystem?
OPTIONS:
- fish
- gull
- algae
- worm
Answer: algae

*Question*: If a new organism were discovered, which of the following would most likely be used to classify it into the appropriate kingdom? OPTIONS:
- the color of the organism
- the organism's natural habitat
- the structure of the organism's anatomy
- the location where the organism was found
*Answer*: the structure of the organism's anatomy

question:
Two pool (billiard) balls collide, causing each to move in a different direction. Eventually, both come to a stop. The most important factor in causing them to stop is
OPTIONS:
- balance.
- friction.
- gravity.
- size.

answer:
friction.

[Q]: Within a substance, atoms that collide frequently and move independently of one another are most likely in a
===
OPTIONS:
- liquid.
- solid.
- gas.
- crystal.
****
[A]: gas.

question below:
In a healthy forest, dead trees and limbs fall to the ground and decompose. Which of these statements best describes why decomposition is important to a forest ecosystem?
OPTIONS:
- Nutrients are released when wood is broken down.
- Worms produce oxygen used by other organisms.
- Dead trees provide nest sites for many different species of birds.
- Water is stored in dead trees and limbs.
answer below:
Nutrients are released when wood is broken down.

question below:
What is a difference between mitosis and meiosis?
OPTIONS:
- Mitosis occurs in all the cells in animals and plants, while meiosis occurs in only in bacteria.
- In mitosis, the products are identical to the parent cell, while in meiosis the products are different from the parent cell.
- In mitosis, one cell divides into two cells, while in meiosis two cells combine to make one cell.
- Mitosis involves separating the chromosomes, while meiosis involves only the cytoplasm of the cell.
answer below:
In mitosis, the products are identical to the parent cell, while in meiosis the products are different from the parent cell.