scientific study of interactions among organisms and between organisms and their environment.

part of the earth in which life exists including land, water, and air or atmosphere.

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

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

assemblage of different populations that live together in a defined area.

collection of all the organisms that live in a particular place, together with their nonliving environment.

group of ecosystems that have the same climate and dominant communities.

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

organism that can capture energy from sunlight or chemicals and use it to produce food from inorganic compounds; also called an autotroph.

process by which plants and some other organisms use light energy to convert water and carbon dioxide into oxygen and high-energy carbohydrates such as sugars and starches.

organism that obtains energy from the foods it contains; also called a consumer.

organism that relies on other organisms for its energy and food supply; also called a hetertroph.

organism that obtains energy by eating only plants

organism that obtains energy by eating animals

organism that obtains energy by eating both plants and animals.

organism that feeds on plants and animals remains and other dead matter.

organism that breaks down and obtains energy from dead organic matter.

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

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

step in the food chain or food web.

diagram that shows the relative amounts of energy or matter within each trophic level in a food chain or food web

total amount of living tissue within a given trophic level.

process in which elements, chemical compounds, and other forms of matter are passed from one organism to another and from one part of the biosphere to another.

process by which water changes from a liquid into an atmosphere gas.

loss of water from a plant through its leaves

chemical substance that an organism requires to live

process of converting nitrogen gas into ammonia.

conversion of nitrates into nitrogen gas.

rate at which organic matter is created by producers in an ecosystem.

single nutrient that either is scarce or cycles very slowly, limiting the growth of organisms in an ecosystem.

an immediate increase in the amount of algae and other producers that results from a large input of a limiting nutrient.

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Jarebs Vocab 1

Question	Answer
ecology	scientific study of interactions among organisms and between organisms and their environment.
biosphere	part of the earth in which life exists including land, water, and air or atmosphere.
species	group of similar organisms that can breed and produce fertile offspring.
population	group of individuals of the same species that live in the same area.
community	assemblage of different populations that live together in a defined area.
ecosystem	collection of all the organisms that live in a particular place, together with their nonliving environment.
biome	group of ecosystems that have the same climate and dominant communities.
autotroph	organism that can capture energy from sunlight or chemicals and use it to produce its own food from inorganic compounds; also called a producer.
producer	organism that can capture energy from sunlight or chemicals and use it to produce food from inorganic compounds; also called an autotroph.
photosynthesis	process by which plants and some other organisms use light energy to convert water and carbon dioxide into oxygen and high-energy carbohydrates such as sugars and starches.
heterotroph	organism that obtains energy from the foods it contains; also called a consumer.
consumer	organism that relies on other organisms for its energy and food supply; also called a hetertroph.
herbivore	organism that obtains energy by eating only plants
carnivore	organism that obtains energy by eating animals
omnivore	organism that obtains energy by eating both plants and animals.
detritivore	organism that feeds on plants and animals remains and other dead matter.
decomposer	organism that breaks down and obtains energy from dead organic matter.
food chain	series of steps in an ecosystem in which organisms transfer energy by eating and being eaten.
food web	network of complex interactions formed by the feeding relationships among the various organisms in an ecosystem.
trophic level	step in the food chain or food web.
ecological pyramid	diagram that shows the relative amounts of energy or matter within each trophic level in a food chain or food web
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 passed from one organism to another and from one part of the biosphere to another.
evaporation	process by which water changes from a liquid into an atmosphere gas.
transpiration	loss of water from a plant through its leaves
nutrient	chemical substance that an organism requires to live
nitrogen fixation	process of converting nitrogen gas into ammonia.
denitrification	conversion of nitrates into nitrogen gas.
primary productivity	rate at which organic matter is created by producers in an ecosystem.
limiting nutrient	single nutrient that either is scarce or cycles very slowly, limiting the growth of organisms in an ecosystem.
algal bloom	an immediate increase in the amount of algae and other producers that results from a large input of a limiting nutrient.

Created by: jareb.grinder.57

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