organism that is able to capture energy from sunlight or chemicals and use it to produce its own food from inorganic compounds also called a producer

physical or nonliving factor that shapes an ecosystem

any living part of the environment with which an organism might interact

part of earth in which life exists including land, water and air

a group of ecosystems that share similar climates and typical organisms

total amount of living tissue within a given trophic level

process in which elements, chemical compounds and other forms of matter are passes from one organism to another

assemblage of different populations that live together in a defined area

process in which chemical energy is used to produce carbohydrates

organism that obtains energy by eating animals

organism that relies on another organism for its energy and food supply

organism that breaks down and obtains energy from dead organic matter

organism that feeds on plant and animal remains

process by which bacteria convert nitrates into nitrogen gas

all the organisms that live in a place together with their nonliving environment

scientific study of interactions among organisms and between their environments

picture of the relative amounts of energy or matter contained within each trophic level in a food chain

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

network of complex interactions formed by the feeding relationships among the organisms in an ecosystem

organisms that obtain energy by only eating plants

organisms that obtains food by consuming other living things, also called a consumer

process used my plants and other auto troughs to capture light energy and use it to power chemical reactions

photosynthetic allege found near the surface of the ocean

first producer of energy rich compounds that are later used by other organisms

group of individuals of the same species that live in the same area

animal that consumes carcasses of other animals

a group of similar organisms that can breed and produce fertile offspring

organism that obtains energy by eating both plants or animals

small free-floating animals that form part of plankton

chemical substance that an organism needs sustain life

process of converting nitrogen gas into nitrogen compounds

single essential nutrient that limits productivity in an ecosystem

each step in a food chain or a food web

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3 vocab

Term	Definition
autotroph	organism that is able to capture energy from sunlight or chemicals and use it to produce its own food from inorganic compounds also called a producer
abiotic factor	physical or nonliving factor that shapes an ecosystem
biotic factor	any living part of the environment with which an organism might interact
biosphere	part of earth in which life exists including land, water and air
biome	a group of ecosystems that share similar climates and typical organisms
biomass	total amount of living tissue within a given trophic level
biogeochemical cycle	process in which elements, chemical compounds and other forms of matter are passes from one organism to another
community	assemblage of different populations that live together in a defined area
chemosynthesis	process in which chemical energy is used to produce carbohydrates
carnivore	organism that obtains energy by eating animals
consumer	organism that relies on another organism for its energy and food supply
decomposer	organism that breaks down and obtains energy from dead organic matter
detritivore	organism that feeds on plant and animal remains
denitrification	process by which bacteria convert nitrates into nitrogen gas
ecosystem	all the organisms that live in a place together with their nonliving environment
ecology	scientific study of interactions among organisms and between their environments
ecological pyramid	picture of the relative amounts of energy or matter contained within each trophic level in a food chain
food chain	series of steps in an ecosystem in which organisms transfer energy by eating or being eaten
food web	network of complex interactions formed by the feeding relationships among the organisms in an ecosystem
herbivore	organisms that obtain energy by only eating plants
heterotroph	organisms that obtains food by consuming other living things, also called a consumer
photosynthesis	process used my plants and other auto troughs to capture light energy and use it to power chemical reactions
phytoplankton	photosynthetic allege found near the surface of the ocean
primary producer	first producer of energy rich compounds that are later used by other organisms
population	group of individuals of the same species that live in the same area
scavenger	animal that consumes carcasses of other animals
species	a group of similar organisms that can breed and produce fertile offspring
omnivore	organism that obtains energy by eating both plants or animals
zoo plankton	small free-floating animals that form part of plankton
nutrient	chemical substance that an organism needs sustain life
nitrogen fixation	process of converting nitrogen gas into nitrogen compounds
limiting nutrient	single essential nutrient that limits productivity in an ecosystem
trophic level	each step in a food chain or a food web

Created by: ledonduck

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