Vocabulary
Feeding Relationships
Human activities
Chemical cycles
Population and community interactions
100

Non-living things in an environment

Abiotic factors

100

Food chain or food web: a diagram that has multiple interconnecting chains of energy transfer

Food web

100

What is acid rain

sulfur and nitrogen gasses and water vapor

100

The burning of fossil fuels release _____ into the atmosphere 

carbon

100

organisms of the same species are referred to as a....

population

200

Living things in an environment

Biotic factors

200

What is productivity 

The production of living material

200

PCBs and DDT accumulate in animal tissues through the food chain-a process called

biomagnification

200

________ is when plants release excess water

transpiration

200

_______ is referred to as the population per unit or area volume

population density

300

Makes its own food (two answers)

Autotroph or producer

300

How much energy is transferred between each trophic level?

Ten percent

300

What is an invasive species

a species that is not native to the environment that it inhabits

300

respiration and photosynthesis are part of _____ cycles

oxygen/carbon

300

list one of four ways animals can be estimated

quadrats, indirect counting, guess, or mark/recapture

400

Finds its food 

Heterotroph or consumer

400

List the levels of organization in ecology

species, population, community, ecosystem, biome, biosphere

400

UV light can enter the atmosphere in higher than normal amounts due to the thinning of the Ozone layer by the release of _______into the atmosphere.

aerosols

400

_______ are responsible for recycling nitrogen

soil bacteria

400

what type of curve shows a population with no limiting factors

exponential growth curve

500
Feeds on dead material
Scavenger
500

True or false: water is a biotic factor (living thing)

False

500

eutrophication is caused by_____

run off with fertilizer 

500

animals get nitrogen needed by

consuming other organisms

500

what type of curve shows population with limiting factors

carrying capacity growth curve

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