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Biology > ☀️Ecology - food chain🌿 > Flashcards

☀️Ecology - food chain🌿 Flashcards

1
Q

Ecology

A

The study of the interaction between living things and their environment

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2
Q

Biosphere

A

Part of the planet in which life is found

Contains many ecosystems

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3
Q

Population

A

All the members of the same species in an area

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4
Q

Community

A

Contains many different populations

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5
Q

Ecosystem

A

A community of living organisms interacting with one another

Eg the earth

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6
Q

Why is the earth an ecosystem

A

Because no part of it is truly isolated from the rest

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7
Q

What is the global ecosystem

A

The biosphere

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8
Q

Habitat

A

Place within the ecosystem where the organism lives

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9
Q

Niche

A

The functional role of an organism in an ecosystem

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10
Q

What is the term ‘niche’ decribing

A

The population in an ecosystem

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11
Q

Abiotic

A

Non living factors

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12
Q

Biotic

A

Living factors

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13
Q

Climatic

A

weather conditions that affect the community in an ecosystem

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14
Q

Abiotic factors include

A

Temperature
Currents
Wind speed
Altitude

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15
Q

Biotic factors include

A

Predators and prey

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16
Q

Climate factors include

A

Temperature
Rainfall
Wind

17
Q

Edaphic factors include

A

Soil type

Soil pH

18
Q

Edaphic

A

Soil

19
Q

Aquatic environmental factors

A

Currents

Wave action

20
Q

Sun

A

Primary source of energy for the planet

21
Q

Ecosystems are unable to function unless there is a

A

Constant input of energy from an external source

22
Q

Food web

A

Series of interlinked food chains

23
Q

A Grazing food chain

A

Is one where the initial plant is living

24
Q

A detritus food chain

A

Is one where the food chain begins with dead organic matter

25
Q

Trophic level

A

This refers to the position of an organism in a food chain

26
Q

1st trophic level

A

Plants

27
Q

2nd trophic level

A

Herbivores

28
Q

3rd trophic level (T3)

A

Carnivores that eat herbivores

29
Q

T4

A

Top carnivore

30
Q

Pyramid of numbers

A

A diagram that represents the numbers of organisms at eavh trophic level in a food chain

31
Q

Bottom layer

A

Primary producers

32
Q

Top layer

A

Tertiary consumer

33
Q

When plants and animals die the nutrient water is

A

Not wasted

Biology (29 decks)

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