Chapter 13 Earth Science

Front 1

animal that eats only other animals

Back 1

carnivore

Front 2

organism that cannot make its own food

Back 2

consumer

Front 3

an organism that breaks down dead organisms and wastes produced by living things

Back 3

decomposer

Front 4

the study of the interactions between living things and their environment

Back 4

ecology

Front 5

animal that feeds on other animals and plants

Back 5

omnivore

Front 6

animal that eats only plants

Back 6

herbivore

Front 7

a process that producers use to make their own food using energy from sunlight

Back 7

photosynthesis

Front 8

organism that uses energy from the sun or other chemical reactions to make its own food

Back 8

producer

Front 9

single-celled, animal-like protist

Back 9

protozoan

Front 10

organism that feeds on dead animals

Back 10

scavenger

Front 11

an illustration of how food moves through an ecosystem

Back 11

food chain

Front 12

a model more complex than a food chain that describes how food moves through an ecosystem

Back 12

food web

Front 13

an organism that eats producers

Back 13

primary consumer

Front 14

organism that eats herbivores

Back 14

secondary consumer

Front 15

organism, such as a predator, at the top of the energy pyramid

Back 15

tertiary consumer

Front 16

the process through which carbon moves between the living and nonliving environment

Back 16

carbon cycle

Front 17

a type of soil bacteria that can change nitrogen in the atmosphere to a form plants can use in their roots

Back 17

nitrifying bacteria

Front 18

the process through which nitrogen moves from the atmosphere to the soil, to living organisms, and back to the atmosphere

Back 18

nitrogen cycle

Front 19

the process through which phosphorus moves from the soil, to producers/consumers, and back to the soil

Back 19

phosphorus cycle