Science Vocab Study

Question 1

All the living and nonliving things that interact with one another

Answer 1

Ecosystem

Question 2

A gas found in air that is used to make food by photosynthesis.

Answer 2

Carbon Dioxide

Question 3

A gas found in air that is produced as waste during photosynthesis.

Answer 3

Oxygen

Question 4

The process that producers use to make food from carbon dioxide and water.

Answer 4

photosynthesis

Question 5

Any organism that makes its own food.

Answer 5

Producer

Question 6

The process of moving blood in a large, complicated loop through the body.

Answer 6

circulation

Question 7

An organism that gets energy by eating other organisms.

Answer 7

Consumer

Question 8

The process that breaks down food into simple materials that an animal’s body can use.

Answer 8

Digestion

Question 9

An organism that eats meat

Answer 9

Carnivore

Question 10

An organism that eats plant material.

Answer 10

Herbivore

Question 11

An organism that eats both animals and non-animal food.

Answer 11

Omnivore

Question 12

One group of organisms that are too small to be seen without a microscope.

Answer 12

Bacteria

Question 13

A mixture of soil and decaying matter that provides the materials that plants need.

Answer 13

Compost

Question 14

An organism that breaks down dead organisms and wastes to live and grow.

Answer 14

Decomposer

Question 15

A group of organisms that are not plants or animals and that act as decomposers.

Answer 15

Fungi

Question 16

A model that shows the amount of energy that is passed on at each level of a food chain.

Answer 16

Energy Pyramid

Question 17

A model showing the path of energy through a series of organisms in an ecosystem.

Answer 17

Food chain

Question 18

A diagram that shows the many connected food chains and feeding relationships in an ecosystem.

Answer 18

Food Web

Question 19

An animal in a predator-prey relationship that captures and eats other animals.

Answer 19

Predator

Question 20

The animal that is captured and eaten in a predator-prey relationship.

Answer 20

Prey

Question 21

An event that changes an ecosystem for a long period of time.

Answer 21

Disturbance

Question 22

The slow changes that take place in an ecosystem that has been disturbed. One group of organisms replaces another group until a stable community is formed.

Answer 22

Succession

Question 23

A non-native kind of organism that causes harm to an ecosystem.

Answer 23

Invasive species