Unit 2 Quiz 2

Why do plants and animals of the same type look somewhat different?

• They have learned to look different.

• They have different life cycles.

• They have identical inherited traits.

• They have some different inherited traits.

A type of grass grows tall and green when it is healthy. What can you infer about an environment where that same type of grass is short and brown?

• The environment has everything the grass needs.

• The environment does not have what the grass needs.

• The grass has too much space.

• The grass is healthy.

Some traits in certain kinds of living things continue. Other traits in these kinds of living things stop appearing. Why does this happen?

• Only the traits of individuals that survive get passed on.

• Only acquired traits get passed on.

• All inherited traits get passed on.

• Animals can decide not to pass on some traits.

A scientist places a laboratory rat in a maze. At the end of the maze is food. After a few tries, the rat quickly finds the way to the food.

After a while, the laboratory rat goes directly to the food. It does not take any wrong turns. What kind of behavior is being displayed?

• environmental

• inherited

• learned

• automatic

A scientist places a laboratory rat in a maze. At the end of the maze is food. After a few tries, the rat quickly finds the way to the food.

A different rat grew up in the wild. Will it be able to complete the maze on its first try?

• Yes, the rat will know where the food is automatically.

• No, the rat needs to learn where the food is.

• Yes, the rat knows which path to take.

• No, the rat doesn't like the food.