Science Test Review Chapter 21

Front 1

Ecology

Back 1

The study of an animal's environement

Front 2

Ecosystem

Back 2

An animal's environment

Front 3

Community

Back 3

living things in an ecosystem

Front 4

habitat

Back 4

where an organism lives

Front 5

niche

Back 5

an organism's job

Front 6

population

Back 6

All members of an ecosystem

Front 7

the water cycle

Back 7

ground water that collects in the

Front 8

carbon-oxygen cycle

Back 8

photosynthesis and cellular respiration

Front 9

nitrogen cycle

Back 9

nitrogen moves from atmosphere to soil

Front 10

rhythms

Back 10

changes that happen regularly

Front 11

nocturnal

Back 11

active at night

Front 12

diurnal

Back 12

active during the day

Front 13

seasonal rhythm

Back 13

changes that happen when season changes

Front 14

hibernation

Back 14

winter dormancy

Front 15

succession

Back 15

predictable change

Front 16

1. Water
2. Soil and subtrate
3. light
4. Temperature

Back 16

List four factors in the physical environment

Front 17

1. Precipitation
2. Evaporation

Back 17

What are the two main stages in the water cycle?

Front 18

Precipitation

Back 18

Water falling from the atmosphere to the ground

Front 19

evaporation

Back 19

The movement of water from the earth to the atmosphere

Front 20

1. Consumers
2. Producers

Back 20

What are the two divisions of biotic communities?

Front 21

Bird

Back 21

Give an example of an organism exhibiting a seasonal rhythm.

Front 22

The final, relatively stable community in the succession of organisms in an area

Back 22

What is a climax community?

Front 23

1. Organisms affect each other
2. Non-living factors affect organisms
3. Living things affect non-living factors

Back 23

What three relationships do ecologists study?

Front 24

Pioneers

Back 24

What name is given for the species in the early part of succession?

Front 25

Farmers field, school yard, or golf coursd

Back 25

Give an example of an artificial or man-made ecosystem.

Front 26

Habitat

Back 26

The area of an ecosystem where an organism lives is called its what?

Front 27

niche

Back 27

What an organism does....its job.

Front 28

The intensity and duration

Back 28

What 2 qualities of light should be considered when studying an ecosystem?

Front 29

Evaporation

Back 29

How can water enter the atmosphere in the water cycle?

Front 30

Succession

Back 30

________ is the changes in a biotic commnity that progress toward a climax community.

Front 31

Ground water

Back 31

What term describes water in the soil that is available for plants to use?

Front 32

Photosynthesis

Back 32

From where do producer organisms ultimately get their energy?

Front 33

water table

Back 33

the surface of the water-saturated part of the ground, usually following approximately the contours of the overlying land surface