Ecology

Front 1

consumers that obtain energy by eating only animals

Back 1

CARNIVORES

Front 2

the main source of energy for life on Earth

Back 2

SUN

Front 3

a process that uses light energy to power chemical reactions that convert water and carbon dioxide to oxygen and glucose

Back 3

PHOTOSYNTHESIS

Front 4

a group of individuals belonging to the same species and living in the same area

Back 4

POPULATIONS

Front 5

another word for autotrophs

Back 5

PRODUCERS

Front 6

Links all the food chains in an ecosystem together

Back 6

FOOD WEB

Front 7

a group of organisms that can breed and produce fertile offspring

Back 7

SPECIES

Front 8

a series of steps in which organisms transfer energy by eating or being eaten

Back 8

FOOD CHAIN

Front 9

organisms in the second or third trophic level

Back 9

CONSUMERS

Front 10

different populations living together in a defined area

Back 10

COMMUNITY

Front 11

consumers that obtain energy by eating plants

Back 11

HERBIVORES

Front 12

the organism being eaten in predation

Back 12

PREY

Front 13

another word for heterotrophs

Back 13

CONSUMERS

Front 14

each step in a food chain or food web

Back 14

TROPHIC LEVEL

Front 15

the full range of physical and biological conditions in which an organism lives and the way in which the organism uses those conditions

Back 15

NICHE

Front 16

a relationship from which both species benefit

Back 16

MUTUALISM

Front 17

example of mutualism

Back 17

POLLINATION

Front 18

any necessity of life

Back 18

RESOURCE

Front 19

the organism that does the killing and eating in predation

Back 19

PREDATOR

Front 20

the area where an organism lives

Back 20

HABITAT

Front 21

occurs when any two organisms attempt to use a resource in the same place at the same time

Back 21

COMPETITION

Front 22

when one organism captures on feeds on another

Back 22

PREDATION

Front 23

four processes involved in the carbon cycle

Back 23

BIOLOGICAL: photosynthesis and respiration
GEOCHEMICAL: volcanic eruption
BIOGEOCHEMICAL: formation and use of fossil fuels

Front 24

biological influences

Back 24

BIOTIC

Front 25

physical influences

Back 25

ABIOTIC

Front 26

the movement of nitrogen in the biosphere

Back 26

NITROGEN CYCLE

Front 27

the movement of carbon in the biosphere

Back 27

CARBON CYCLE

Front 28

the movement of water in the biosphere

Back 28

WATER CYCLE

Front 29

volcanoes releasing of carbon dioxide gas into the atmosphere is a __ process

Back 29

GEOCHEMICAL

Front 30

the key element in all living organisms

Back 30

CARBON

Front 31

the process by which water changes from liquid to gas

Back 31

EVAPORATION

Front 32

the process by which water changes from gas to liquid

Back 32

CONDENSATION

Front 33

water falling from the sky in any form (ie. snow, rain)

Back 33

PRECIPITATION

Front 34

evaporation of water from the leaves of plants

Back 34

TRANSPIRATION

Front 35

all chemical substances an organism requires to live

Back 35

NUTRIENTS

Front 36

the way elements, compounds and other matter are passed from one organism to another in different parts of the biosphere

Back 36

BIOCHEMICAL CYCLES

Front 37

the process of converting nitrogen gas into ammonia

Back 37

NITROGEN FIXATION

Front 38

the rate at which organic matter is created by producers

Back 38

PRIMARY PRODUCTIVITY

Front 39

the substance that may be scarce and limit an organism's growth

Back 39

LIMITING NUTRIENT

Front 40

example of primary succession

Back 40

AFTER VOLCANIC ERUPTION or AFTER GLACIAL MELT

Front 41

when a disturbance changes an existing community without removing the soil

Back 41

SECONDARY SUCCESSION

Front 42

organisms that break down organic matter

Back 42

DECOMPOSERS

Front 43

one organism benefits and the other is harmed

Back 43

PARASITISM

Front 44

example of parasitism

Back 44

TAPEWORMS

Front 45

succession that occurs on surfaces where no soil exists

Back 45

PRIMARY SUCCESSION

Front 46

most common pioneer species

Back 46

LICHEN

Front 47

any relationship in which two species live close together

Back 47

SYMBIOSIS

Front 48

says no two species can occupy the same niche in the same habitat at the same time

Back 48

COMPETITIVE EXCLUSION PRINCIPLE

Front 49

example of secondary succession

Back 49

ABANDONED FARMLAND or WILDFIRE

Front 50

the series of predictable changes that occur in a community

Back 50

ECOLOGICAL SUCCESSION

Front 51

the first species to populate an area

Back 51

PIONEER SPECIES

Front 52

one species benefits and the other is unaffected

Back 52

COMMENSALISM

Front 53

example of commensalism

Back 53

BARNACLES ON WHALES

Front 54

organisms at the first trophic level

Back 54

PRODUCERS or AUTOTROPHS

Front 55

describe the energy flow in an ecosystem

Back 55

SUN/ORGANIC COMPOUNDS --> AUTOTROPHS --> HETEROTROPHS

Front 56

examples of autotrophs

Back 56

PLANTS, ALGAE, CYANOBACTERIA

Front 57

organisms that rely on other organisms for their energy

Back 57

HETEROTROPHS or CONSUMERS

Front 58

a consumer that eats both plants and animals

Back 58

OMNIVORE

Front 59

a group of ecosystems with the same climate and similar dominant communities

Back 59

BIOME

Front 60

a collection of all the organisms that live in a place and their nonliving surroundings

Back 60

ECOSYSTEM

Front 61

the process of using chemical energy (inorganic compounds) to produce carbohydrates

Back 61

CHEMOSYNTHESIS

Front 62

the study of interactions amon organisms and their environment

Back 62

ECOLOGY

Front 63

all the ecosystems on the entire planet

Back 63

BIOSPHERE

Front 64

organisms that make their own food from sunlight or inorganic compounds

Back 64

PRODUCERS or AUTOTROPHS

Front 65

dead plant and animal remains

Back 65

DETRITUS

Front 66

consumers that feed on dead plant and animal remains

Back 66

DETRITIVORES