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National Five Biology > Ecosystems > Flashcards

Ecosystems Flashcards

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1
Q

Biodiversity

A

The total variety of living things within an ecosystem

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2
Q

Ecosystem

A

All the organisms living in a particular habitat and the non- living components with which they interact

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3
Q

Habitat

A

The place an organism lives

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4
Q

Population

A

The number of individuals of one species in a habitat

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5
Q

species

A

a group of individuals who interbreed to produce fertile offspring

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6
Q

community

A

all the populations in an ecosystem

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7
Q

niche

A

the role an organism plays in a community

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8
Q

Food chains

A

way of showing good relationships in an ecosystem

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9
Q

what do arrows represent in food chains

A

the direction of energy flow

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10
Q

producer

A

produce their own food by photosynthesis

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11
Q

consumer

A

anything other than a green plant

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12
Q

herbivore

A

consumes plant material only

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13
Q

carnivore

A

consumes animal material only

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14
Q

omnivore

A

consumes both animal and plant material

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15
Q

predator

A

animals that will hunt other animals for food

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16
Q

prey

A

animals which are hunted

17
Q

food webs

A

shows energy flow through interconnected food chains in an ecosystem

18
Q

when does competition occur

A

when a resource is in limited supply

19
Q

“What do animals compete for”

five things

A

food
water
shelter
territory
mates

20
Q

what do plants compete for
five things

A

light
water
nutrients
minerals
space

21
Q

name the two types of competition

A

interspecific
intraspecific

22
Q

when does interspecifc competion occur

A

between members of diff species for some of the same materials

23
Q

when does intraspecific competition occur

A

between members of the same species for all the same materials

24
Q

which type of compition is more intense

A

Intraspecific

National Five Biology (18 decks)

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