Science - Ecology Ch. 17

Front 1

The study of the relationships between living things and the environment is ___________.

Back 1

Ecology

Front 2

Members of the same species in an area make up a ______.

Back 2

population

Front 3

All the plants and animals living in an area make up a _________.

Back 3

community

Front 4

The place where a population lives is called its _________.

Back 4

habitat

Front 5

The role of an organism in the place where it lives is its _______.

Back 5

niche

Front 6

A relationship between two different kinds of organisms in which one or both parties profits is called _________.

Back 6

symbiosis

Front 7

Mutualism is a relationship between two organisms in which _______________ profit.

Back 7

both species

Front 8

In commensalism, one organism _______________ while the other organism is ____________________.

Back 8

profits or benefits
neither helped nor harmed

Front 9

In parasitism, one organism ________________ while the other organism ______________.

Back 9

profits or benefits
harmed or hurt

Front 10

Producers are organisms that

Back 10

make their own food

Front 11

Consumers are orgaisms that

Back 11

must eat other organisms

Front 12

Animals that feed on plants are called

Back 12

herbivores

Front 13

Animals that feet on other animals are called

Back 13

carnivores

Front 14

Animals that eat both plants and other animals are called

Back 14

omnivores

Front 15

A __________ animal eats a ______ animal.

Back 15

preditor
prey

Front 16

Decomposers feed on

Back 16

the remains of dead plants and animals

Front 17

In a food chain ______ is passed from one organism to another.

Back 17

energy

Front 18

A food web is formed of

Back 18

over lapping food chains

Front 19

A food pyramid shows the amount of _________ available at each link of a food chain.

Back 19

energy

Front 20

More food energy would be available for larger populations if people ate more ________ and less _______.

Back 20

plants
meat or animals

Front 21

An ecosystem is made up of organisms in a community that interact with ______________.

Back 21

each other and their environment

Front 22

Water continuously ________ from oceans, soil, and living things.

Back 22

evaporates

Front 23

When temperatures cool, water vapor _________ to liquid water.

Back 23

condences

Front 24

During photosynthesis, green plants take in ____________ and release ____________.

Back 24

carbon dioxide
oxygen

Front 25

During respiration, plants and animals take in ___________ and release ______________.

Back 25

oxygen
carbon dioxide

Front 26

The process in which nitrogen in the air combines with other elements is called

Back 26

nitrogen fixation

Front 27

Two ways which cause nitrogen to combine with other elements are

Back 27

lighting and nitrogen-fixing bacteria

Front 28

The action of _____________ returns nitrogen to the air.

Back 28

denitrifying bacteria

Front 29

the gradual changes in plant and animal communities in an ecosystem is called

Back 29

ecological succession

Front 30

In the first stage of a spruce-fir community acids produced by _______ help form _____________.

Back 30

lichens
a layers of soil

Front 31

The decay of dead _______ enriches the soil, allowing mosses to grow.

Back 31

lichens

Front 32

As animals and wind carry in seeds from grasses, a ______ forms.

Back 32

meadow

Front 33

Trees grow, providing homes for animals. The soil is soon enriched by __________

Back 33

animal waste, fecies and remains of dead plants and animals

Front 34

Give 3 examples of abiotic factors: ______, _______ & _______.

Back 34

sun, wind, water, soil & rocks

Front 35

Give 3 examples of biotic factors: ______, _______ & _______.

Back 35

trees, deer, fish, butterfly, & duck

Front 36

Abiotic factors are living or non-living?

Back 36

non-living

Front 37

Biotic factors are living or non-living?

Back 37

living

Front 38

List these terms in order from largest so smallest group: populations, ecosystem, community, & organism

Back 38

ecosystem
community
population
organism

Front 39

A relationship between two different kinds of organisms in which one or both species profit.

Back 39

symbiosis

Front 40

Organisms that cannot make their own food and that eat other organisms.

Back 40

consumer

Front 41

Meat eaters.

Back 41

carnivores

Front 42

A relationship where one organism benefits but harms the other organism.

Back 42

parasitism

Front 43

Overlapping of food chains in a community.

Back 43

food web

Front 44

The amount of energy available at each link of a food chain.

Back 44

food pyramid

Front 45

Consumers that eat both plants and animals.

Back 45

omnivores

Front 46

Organisms that feed on plants.

Back 46

herbivores

Front 47

Organisms that use the energy from the sun to make food.

Back 47

producers

Front 48

An animal that feeds on another animal.

Back 48

predator

Front 49

Shows how energy in food is passed from one organism to another.

Back 49

food chain

Front 50

One organism benefits from another organism who is neigher helped or harmed.

Back 50

commensalism

Front 51

A group of organisms of the same species living together in the same area.

Back 51

population

Front 52

The place where a population lives.

Back 52

habitat

Front 53

A relationship where two organisms benefit from each other.

Back 53

mutualism

Front 54

All the interacting populations that live together in the same place.

Back 54

community

Front 55

The role of an organism within its habitat.

Back 55

niche

Front 56

The animal that is eaten

Back 56

prey

Front 57

The biome that covers about 70% of the earth's surface.

Back 57

saltwater biome

Front 58

The biome located near the equator. It has NO seasons.

Back 58

tropical rain forest

Front 59

The biome where snow and ice cover the ground most of the time.

Back 59

tundra

Front 60

The biome where conifers grow.

Back 60

taiga

Front 61

This biome has four distinct seasons.

Back 61

deciduous forest

Front 62

This biome has broad-leaved trees such as palm trees, vines, ferns, and orchids.

Back 62

tropical rain forest

Front 63

This biome is where plants can store water in their stems; animals usually active at night.

Back 63

desert

Front 64

These biomes have short moderate summers; cold, snowy winters.

Back 64

taiga & tundra

Front 65

In this biome caribou migrate; many animals camouflaged with white fur or feathers.

Back 65

tundra

Front 66

This biome is located in northern latitudes and peaks of mountains about tree line.

Back 66

tundra

Front 67

This biome has many animals that live in trees for food and protection.

Back 67

tropical rain forest

Front 68

In this biome grazing animals have flat teeth.

Back 68

grassland

Front 69

In this biome the ocean is divided into several zones where different types of organisms live.

Back 69

saltwater biome

Front 70

In these biomes hoofed mammals have long legs for wading through deep snow; other animals have thick coats.

Back 70

tundra & taiga

Front 71

This biome has lakes, rivers, streams, and ponds.

Back 71

freshwater biome

Front 72

This biome has decay of grasses by bacteria forms a thick, fertile soil.

Back 72

grassland

Front 73

This biome has trees that lose leaves which reduces the water loss in a dry winter.

Back 73

deciduous forest

Front 74

This biome has plants that grown and decompose readily.

Back 74

tropical rain forest

Front 75

This biome has cacti, yuccas, snakes, lizards, and roadrunners.

Back 75

desert