Ecology Science Test 6 And Quiz 4

Front 1

abiotic factor

Back 1

nonliving things found in an ecosystem like soil, temperature, water, sunlight and air

Front 2

biosphere

Back 2

part of the Earth where organisms can live and is made up of all the ecosystems on Earth

combined

Front 3

biotic factors

Back 3

organisms that make up the living part of an ecosystem, any living thing in the environment

Front 4

community

Back 4

all of the populations that live in an area who depend on each other for food, shelter, and other needs. Group of different populations

living in the same place at the same time.

Front 5

consumer

Back 5

an organism that eats other organisms

Front 6

decomposer

Back 6

organisms that use dead organisms and the

waste material of other organisms for food

Front 7

drought

Back 7

a long period of time without rain in an area

Front 8

ecology

Back 8

study of all the interactions that take place among the living organisms and nonliving parts of the ecoystem

Front 9

ecosystem

Back 9

made up of organisms interacting with one

another and with nonliving factors to form a

working unit

Front 10

endangered species

Back 10

species where so few of its members are living that the entire species may become extinct

Front 11

environment

Back 11

everything in an organism's surroundings including other organisms, weather, water, sound, light, temperature, soil and rocks

Front 12

extinction

Back 12

dying out of a whole species of organisms

Front 13

food chain

Back 13

simple model that shows how food energy is passed from one organism to another in an ecosystem

Front 14

food web

Back 14

complex model made up of a series of

overlapping food chains that shows all the

possible feeding relationships in an ecosystem

Front 15

habitat

Back 15

place an organism lives out its life

Front 16

limiting factors

Back 16

things that limit the size of a population

Front 17

niche

Back 17

the role or job of an organism in an ecosystem

Front 18

population

Back 18

group of the same type of organisms living in the same place at the same time

Front 19

predation

Back 19

act of one organism feeding on another

Front 20

prey

Back 20

an organism that is captured and eaten by other organisms

Front 21

producer

Back 21

organism that is capable of making its own food, most plants, some protists and bacteria

Front 22

species

Back 22

group of organisms that can breed with one

another and produce healthy offspring, new species can form when populations of an

organism split into small isolated groups

Front 23

threatened species

Back 23

species that still needs to be protected but is not in immediate danger of becoming extinct

Front 24

vertebrate

Back 24

animals with backbones, fish, mammal, bird, reptile, amphibian

Front 25

predator

Back 25

an organism that captures and eats another

organism