Specific organism that needs to grow and live and reproduce.

The parts of a habitat that are or were once alive and that interact with an organism

Non living parts of an organisms habitat Water, oxygen, space, rocks

Is a group of organisms that can mate with each other and produce offspring that can also mate and reproduce.

All the members of one species living in a particular area

All the different populations that live together in an area make up a

Community of organisms that live in particular area along with nonliving of environment

The study of how organisms interact with each other and with their environment

The number of individuals in an area of a specific size.

An environmental factor that causes a population to stop growing or to decrease in size.

The largest population that a area can support.

An organism that can make its own food

Obtains energy by feeding on other organisms

Break down biotic wastes and dead organisms

Is a series of events in which one organism eats another and obtains energy and nutrients

Consists of many overlapping food chains in an ecosystem

Shows the amount of energy that moves from one feeding level to another food web.

The set of chemical reactions plants use to turn light, water, and nutrients into oxygen and energy in the form of sugars.

An organism that makes its own food

An organism that has to get its food from a source and is unable to make its own food

Is a relationship that involves one organism living with on or inside another organism and harming it.

Is any relationship in which 2 species live closely together

Is any relationship in which 1 species benefits and the other species is nether helped nor harmed.

Which is a relationship in which both species benefits.

Consumers that only eat animals

A carnivore that feeds on the body’s of dead organisms.

Consumers that eat both plants and animals

How an organism obtains it food.

The struggle between organisms to survive.

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Ecosystems

Term	Definition
Organism	Living thing
Habitat	Specific organism that needs to grow and live and reproduce.
Biotic factor	The parts of a habitat that are or were once alive and that interact with an organism
Abiotic factor	Non living parts of an organisms habitat Water, oxygen, space, rocks
Species	Is a group of organisms that can mate with each other and produce offspring that can also mate and reproduce.
Population	All the members of one species living in a particular area
Community	All the different populations that live together in an area make up a
Ecosystem	Community of organisms that live in particular area along with nonliving of environment
Ecology	The study of how organisms interact with each other and with their environment
Population density	The number of individuals in an area of a specific size.
Limiting factor	An environmental factor that causes a population to stop growing or to decrease in size.
Carrying capacity	The largest population that a area can support.
Producer	An organism that can make its own food
Consumer	Obtains energy by feeding on other organisms
Decomposers	Break down biotic wastes and dead organisms
Food chain	Is a series of events in which one organism eats another and obtains energy and nutrients
Food web	Consists of many overlapping food chains in an ecosystem
Energy pyramid	Shows the amount of energy that moves from one feeding level to another food web.
Photosynthesis	The set of chemical reactions plants use to turn light, water, and nutrients into oxygen and energy in the form of sugars.
Chlorophyll	Absorbs light.
Autotroph	An organism that makes its own food
Heterotroph	An organism that has to get its food from a source and is unable to make its own food
Parasitism	Is a relationship that involves one organism living with on or inside another organism and harming it.
Symbiosis	Is any relationship in which 2 species live closely together
Commensalism	Is any relationship in which 1 species benefits and the other species is nether helped nor harmed.
Mutualism	Which is a relationship in which both species benefits.
Carnivores	Consumers that only eat animals
Scavenger	A carnivore that feeds on the body’s of dead organisms.
Herbivores	Consumers that only eat plants
Omnivores	Consumers that eat both plants and animals
Niche	How an organism obtains it food.
Competition	The struggle between organisms to survive.

Created by: user-1979191

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