Unit 07

Question 1

If a plant or animal is _, it lives or grows in water.

Answer 1

aquatic

Question 2

The _ is the earth’s surface and atmosphere where there are living things.

Answer 2

biosphere

Question 3

When something is _, strange.

Answer 3

bizarre

Question 4

_ is a scale for measuring temperature.

Answer 4

Celsius

Question 5

If something is __, that means it has a rough texture.

Answer 5

coarse

Question 6

A _ is a person that someone spends a lot of time with.

Answer 6

companion

Question 7

To _ means to swallow food and pass it through the body.

Answer 7

digest

Question 8

The _ of an event is the time during which it happens.

Answer 8

duration

Question 9

_ is the study of the environment and living things.

Answer 9

ecology

Question 10

A __ is an impressive or difficult achievement or action.

Answer 10

feat

Question 11

If something is _, it has no limit or end.

Answer 11

infinite

Question 12

The _ is the central part of an atom or cell.

Answer 12

nucleus

Question 13

A _ is a tiny animal or plant that attaches to another animal to get food.

Answer 13

parasite

Question 14

When something is _, it is important and well know.

Answer 14

prominent

Question 15

When something is _, it is repeated many times and becomes boring.

Answer 15

repetitive

Question 16

If something is _, it has to do with a living thing producing young.

Answer 16

reproductive

Question 17

When a place is _, it never gets too hot or cold.

Answer 17

temperate

Question 18

_ is the ability to accept something painful or unpleasant.

Answer 18

tolerance

Question 19

To _ an action means to have it happen to you.

Answer 19

undergo

Question 20

When someone is _, they are weak and without protection.

Answer 20

vulnerable