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Nat 5 Biology > 3.1 Ecosystems > Flashcards

3.1 Ecosystems Flashcards

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1
Q

Population

A

The total number of one type of organism (species) living in a habitat

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2
Q

Community

A

All the organisms in a particular ecosystem

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3
Q

Biome

A

A region of our planet with similar climate, flaura, and fauna

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4
Q

Carnivore

A

An organism that only eats other animals

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5
Q

Niche

A

The unique role an organism fills within its ecosystem

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6
Q

Ecosystem

A

The community in a particular habitat and the non-living components with which they interact

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7
Q

Habitat

A

The place where an organism lives

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8
Q

Biodiversity

A

The variety of living organisms across the globe

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9
Q

Species

A

A group of organisms that can interbreed to produce fertile offspring

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10
Q

Producer

A

Plants (usually) that photosynthesise to produce food

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11
Q

Consumer

A

Organisms that obtain their energy by eating other organisms
Anything that isn’t a producer is a consumer

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12
Q

Herbivore

A

An organism that only eats plants

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13
Q

Omnivore

A

An organism that eats both plants and animals

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14
Q

Prey

A

Animals that are eaten by predators

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15
Q

Predator

A

Animals that hunt and kill other animals

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16
Q

Food chain

A

A diagram showing the simple feeding relationship between organisms

17
Q

Food web

A

A diagram showing the interconnections of food chains

18
Q

What is interspecific competition?

A

Competition between different species when they both require similar resources

19
Q

What is intraspecific competition?

A

Competition between individuals of the same species over the same resources (more intense than interspecific competition)

20
Q

When does competition occur?

A

When resources are in short supply

21
Q

What are limiting factors for animals?

A

Food
Space
Mates

22
Q

What are limiting factors for animals?

A

Light
Nutrients
Water

Nat 5 Biology (19 decks)

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