Ecosystems And Biomes

Front 1

3 roles of an organism in an ecosystem

Back 1

Producer, consumer, decomposer

Front 2

Food Chain

Back 2

A series of events in which one organism eats another

Front 3

Food web

Back 3

The pattern of overlapping food chains in a habitat or ecosystem

Front 4

Energy pyramid

Back 4

A diagram that shows the amount of energy that moves from one feeding level to another in a food web

Front 5

The most energy is available at ______________ level (producer, decomposer or consumer)

Back 5

producer

Front 6

The amount of energy in the energy pyramid becomes _________ when you go up one level. (smaller, larger)

Back 6

smaller

Front 7

4 types of consumers

Back 7

herbivores, carnivores, omnivore, scavenger

Front 8

The source of energy for most ecosystems

Back 8

Sun

Front 9

The continuous process by which water moves from Earth's surface to the atmosphere and back, passing through the living and nonliving parts of the environment

Back 9

Water cycle

Front 10

3 major processes that occur during the water cycle

Back 10

Evaporation, condensation, precipitation

Front 11

The role of plants in the carbon cycle

Back 11

Plants (producers) use carbon to create sugar molecules

Front 12

The process of changing free nitrogen gas into a usable form

Back 12

Nitrogen fixation

Front 13

The bumps where nitrogen-fixing bacterias live

Back 13

nodules

Front 14

The hypothesis that the continents slowly move across Earth's surface

Back 14

Continental Drift

Front 15

The movement of organisms from one place to another

Back 15

dispersal

Front 16

3 ways organisms can disperse

Back 16

wind, water or living things including humans

Front 17

3 factors that limit dispersal of a species

Back 17

physical barriers (mountains), competition, climate

Front 18

A forest in the tropical wet climate zone that gets plenty of rain all year

Back 18

Rain forest

Front 19

Tropical rain forest are typically located near the ___________.

Back 19

Equator

Front 20

Leafy roof in the rain forest

Back 20

canopy

Front 21

a second layer of shorter trees and vines under the canopy in the rain forest

Back 21

understory

Front 22

Biome

Back 22

a group of ecosystems with similar climates and organisms

Front 23

Biomes are determined mostly by ______ and ______.

Back 23

temperature and rainfall

Front 24

A biome that gets less than 25 cm of rain a year

Back 24

desert

Front 25

A biome populated by grasses that gets 25 to 75 cm of rain each year

Back 25

grassland (or prairie)

Front 26

grasslands located near the equator

Back 26

savannas

Front 27

Trees that shed their leaves and grow new ones each year

Back 27

deciduous trees (oak, maple)

Front 28

Trees that produce their seeds in cones and have needle shaped leaves

Back 28

coniferous trees ( fir, spruce, pine)

Front 29

a polar biome found across northern Alaska, Canada and Russia, with short cool summers and bitterly cold winters

Back 29

tundra

Front 30

frozen soil

Back 30

permafrost

Front 31

Where in water biomes can photosynthesis occur?

Back 31

Neritic zone

Front 32

Land biomes that receive most precipitation

Back 32

Rail Forest biomes

Front 33

Land biome where you find large herbivores such as an antelope and elephant

Back 33

grassland biomes because they eat grass and young trees

Front 34

4 zones in the Marine biome

Back 34

Intertidal one, Neritic zone, Surface zone, Deep zone

Front 35

The changes that occur in an area where no ecosystem had existed

Back 35

primary succession

Front 36

The changes that occur after a disturbance in an ecosystem

Back 36

secondary succession

Front 37

The first species to populate an area

Back 37

pioneer species

Front 38

After a fire in Yosemite, grass started to grow in the burned ground. This is called ___________ succession.

Back 38

secondary