Unit 1: Interactions in the Environment

Question 1

Biotic

Answer 1

Describes living factors in the environment

Question 2

Abiotic

Answer 2

Describes the nonliving part of the environment, including water, rocks, light, and temperature.

Question 3

Population

Answer 3

A group of organisms of the same species that live in a specific geographical area.

Question 4

Community

Answer 4

All the populations of species that live in the same habitat and interact with each other.

Question 5

Ecosystem

Answer 5

A community of organisms and their abiotic environment.

Question 6

Herbivore

Answer 6

An organism that eats only plants

Question 7

Carnivore

Answer 7

An organism that eats only animals

Question 8

Omnivore

Answer 8

An organism that eats both plants and animals.

Question 9

Detrivore

Answer 9

an animal that feeds on dead organic material, especially plant detritus.

Question 10

Primary Consumer

Answer 10

The creature that eats producers. Usually is a herbivore

Question 11

Secondary Consumer

Answer 11

Creatures that eat Primary Consumers. These are often carnivores or omnivores.

Question 12

Tertiary Consumer

Answer 12

Creatures that eat Secondary Consumers. These are most often carnivores

Question 13

Producer

Answer 13

Organisms that create their own food. All plants are producers.

Question 14

Food Chain

Answer 14

The pathway that follows how energy is transferred through an ecosystem.

Question 15

Food Web

Answer 15

A diagram that shows the feeding relationships between organisms in an ecosystem. It is multiple food chains put together.

Question 16

Energy Pyramid

Answer 16

A triangular diagram that shows an ecosystem’s loss of energy, which results as energy passes through the ecosystem’s food chain

Question 17

Prey

Answer 17

An organism that is killed and eaten by another organism

Question 18

Predator

Answer 18

An organism that eats all or part of another organism

Question 19

Evaporation

Answer 19

The change of a substance from a liquid to a gas

Question 20

Condensation

Answer 20

The change of state from a gas to a liquid

Question 21

Precipitation

Answer 21

Any form of water that falls to the Earth’s surface from the clouds

Question 22

Water Cycle

Answer 22

The movement of water between the oceans, atmosphere, land, and living things

Question 23

Nitrogen Cycle

Answer 23

The movement of nitrogen between the environment and living things

Question 24

Carbon Cycle

Answer 24

The exchange of carbon between the environment and living things

Question 25

Respiration

Answer 25

When creatures breathe in oxygen and out carbon dioxide