Ecology Flashcards

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1
Q

Ecology

A

The study of interactions between organisms and 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 living environment that are living.

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4
Q

Abiotic Factor

A

All the parts of the living environment that are nonliving.

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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 live 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, (all the biotic and abiotic parts of an area).

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9
Q

Energy Pyramid

A

Diagram showing trophic level/ level in the 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

Make it’s own food (autotroph).

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12
Q

Photosynthesis

A

the process of food making in producers

Sunlight + CO₂ (carbon dioxide) + H₂O (Water) →

sugar (energy) + O₂ (Oxygen)

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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 (recycles).

19
Q

Food Chain

A

The transfer of energy (food) from one organism to another.

20
Q

Food Web

A

When different chains overlap.

21
Q

Competition

A

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

22
Q

Niche

A

The role (job) a species has within a community.

23
Q

Predator

A

An organism that kills and eats a prey to obtain energy.

24
Q

Prey

A

An organism 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 become better suited to it’s environment.