Non-living things in an environment
Abiotic factors
Food chain or food web: a diagram that has multiple interconnecting chains of energy transfer
Food web
What is acid rain
sulfur and nitrogen gasses and water vapor
The burning of fossil fuels release _____ into the atmosphere
carbon
organisms of the same species are referred to as a....
population
Living things in an environment
Biotic factors
What is productivity
The production of living material
PCBs and DDT accumulate in animal tissues through the food chain-a process called
biomagnification
________ is when plants release excess water
transpiration
_______ is referred to as the population per unit or area volume
population density
Makes its own food (two answers)
Autotroph or producer
How much energy is transferred between each trophic level?
Ten percent
What is an invasive species
a species that is not native to the environment that it inhabits
respiration and photosynthesis are part of _____ cycles
oxygen/carbon
list one of four ways animals can be estimated
quadrats, indirect counting, guess, or mark/recapture
Finds its food
Heterotroph or consumer
List the levels of organization in ecology
species, population, community, ecosystem, biome, biosphere
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
_______ are responsible for recycling nitrogen
soil bacteria
what type of curve shows a population with no limiting factors
exponential growth curve
True or false: water is a biotic factor (living thing)
False
eutrophication is caused by_____
run off with fertilizer
animals get nitrogen needed by
consuming other organisms
what type of curve shows population with limiting factors
carrying capacity growth curve