Ecosystem and Factors Flashcards

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1
Q

what is an ecosystem

A

all the living organisms and non-living components in an area

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2
Q

what is a community

A

the population of living organisms in an area

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3
Q

what is a population

A

all the organisms of the same species in an area

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4
Q

what is an organism

A

a single-living individual

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5
Q

what is distribution

A

how widely spread organisms are

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6
Q

what are the 2 types of factors that affect the distribution

A

environmental factors
and
non-living factors

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7
Q

what are 2 living factors

A

prey
competitor
predator

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8
Q

what are 5 non-living factors

A
  • light
  • average temperature
  • average rainfall
  • oxygen levels in water
  • pollution
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9
Q

what is a pollutant

A

a chemical substance that has harmful effects to living organisms

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10
Q

what are biotic factors

A

factors that are living organisms

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11
Q

what are some methods animals have evolved to deter predators

A
  • have brought colours to advertise poison
  • pattern to look frightening - eyes
  • thorns
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12
Q

what recources do plants compete for

A

light and nutrients

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13
Q

What recources do animals fight for

A

food, mates, territory

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14
Q

what is interdependence

A

when an organism depends on another organism

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15
Q

what are the 2 sectors of interdependence

A

parasitism
mutualism

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16
Q

what is parasitism

A

when a parasite feeds on another organism (the host) while they are living together, it benefits the parasite but harms the host

17
Q

what are 3 parasites

A

flea
head louse
tapeworm
mistletoe

18
Q

what is mutualism

A

when 2 organisms live closely together in a way that befits both of them

19
Q

give 3 examples of mutualism

A

oxpecker and herbivore
cleaner fish and shark
nitrogen-fixing bacteria and plant