Ecology Flashcards

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1
Q

Ecology

A

The study of interactions between organisms and the environment

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2
Q

Species

A

one type of organism

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3
Q

Biotic Factor

A

All the parts of the environment that are living.

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4
Q

Abiotic Factor

A

All the parts of the environment that are non living

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5
Q

Habitat

A

the place where an organism lives in a community

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6
Q

Population

A

All the organisms of the same species living in the same place at the same time

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7
Q

Community

A

All the populations that live in the same place at the same time

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8
Q

Ecosystem

A

a community interacting with the abiotic parts of its environment

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9
Q

Energy pyramid

A

Diagram showing tropic level /level in food chain

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10
Q

Sun

A

main source of energy for all living things

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11
Q

Producer

A

Makes its own food (autoraph)

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12
Q

Photosynthesis

A

the process of food making in producers

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13
Q

Consumer

A

an organism that eats other organisms (heterotroph)

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14
Q

Herbivore

A

An organism that only eats plants

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15
Q

Carnivore

A

An organism that only eats animals

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16
Q

Scavenger

A

An organism that eats organisms that are already dead.

17
Q

Omnivore

A

An organism that eats both plants and animals

18
Q

Decomposer

A

an organism that breaks down the remains of dead plants and animals.

19
Q

Food Chain

A

the transfer of energy from one organism to another

20
Q

Food web

A

When different chains overlap

21
Q

Competition

A

The contest among organisms to get all they need to survive.

22
Q

Niche

A

A real role (job) a species has within a community

23
Q

Predator

A

an organism that kills and eats prey to obtain energy.

24
Q

Prey

A

an organisms that gets eaten by a predator.

25
Q

Limiting factors

A

an environmental factor that causes the population to decrease.

26
Q

Symbiosis

A

A relationship where food, shelter, support or transportation is provided for one or both organisms.

27
Q

Natural Selection

A

The struggle between organisms to survive in a habitat with limited resources

Process in which a species becomes better suited to its environment.