Levels of Organization
Environment
Habitat
Interactions
Ecology
100

Any living thing

What is an organism or biotic?

100
All the members of one species living in a particular area
What is a population?
100
The place where an organism lives
What is habitat?
100

An organism being hunted

What is a prey?

100
The study of how organisms interact with each other and their environment
What is ecology?
200
The parts of a habitat that are living or were once living
What is biotic?
200
Any factor that causes a population to stop growing or decrease is size
What is a limiting factor?
200
The behaviors and physical characteristics that allow organisms to live successfully in their environments
What is adaptations?
200
When one organism kills another for food
What is predation?
200

Where one organism benefits and the other is neither helped nor harmed (+, 0).

What is commensalism?

300
A group of organisms that can mate and produce offspring
What is a species?
300

Weather conditions, space, food, and water are

What are limiting factors?

300

The interaction between organisms or species where they strive for the same limited resource, like food, water, or territory, which negatively impacts the fitness of all involved organisms as they compete for the resource, essentially reducing its availability for each individual

What is competition?

300
The adaptation that allows certain animals to blend in
What is camouflage?
300

The relationship in which one organism lives on another and causes it harm (+,-)

What is parasitism?

400
the smallest level of organization
What is an organism?
400
How many organisms a particular area can support
What is carrying capacity?
400

Forests, grasslands, deserts, mountains or polar regions, and aquatic

What are examples of different habitats?

400

Organisms that can make their own food in an ecosystem and are also known as autotrophs.

What is a producer?

400

The relationship when two animals live together and both of them benefit (+,+)

What is mutualism?

500
The community and abiotic factors together
What is an ecosystem?
500
A characteristic that makes an individual better suited to a specific environment may eventually become common in that species through this process
What is natural selection?
500
the number of individuals per unit of area
What is population density?
500

An organism that cannot produce its own food and must eat other plants and/or animals to get energy.

What is a consumer?

500

A close, prolonged association between two or more different biological species (Mutualism, commensalism, and parasitism)

What is symbiosis?

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