Ecosystems Flashcards

Yr 10 Tp 6 (9 cards)

1
Q

What is an ecosystem?

A

the interaction between living and non-living things and their environment

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2
Q

What is biomass?

A

organic matter, which originates from plants and animals

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3
Q

What is a WOOD LAND?

A

climax
Natural Spots Limited
Others are self-regenerating

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4
Q

What is MAQUIS?

A

smaller trees, large shrubs, valley sides, foot of cliffs
ex carob tree

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5
Q

What is GARIGUE?

A

low-lying shrubs, found in karst landscapes
ex Mediterranean thyme

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6
Q

What is STEPPE?

A

grasses and thistles
Beard grass formed due to the degradation of garigue and maquis

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7
Q

What is biodiversity?

A

variety of life expressed through genetics, species and habitats

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8
Q

Threats to biodiversity?

A

overhunting/overfishing
deforestation
alien species
urbanisation
illegal dumping
pesticides and fertilizers

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9
Q

What is a nature reserve?

A

a protected site where plants and animals live as human impact is limited
provides open spaces for families

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