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Grade 9 Qtr 2 > Science(Biodiversity) > Flashcards

Science(Biodiversity) Flashcards

1
Q

Bio means?

A

life

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2
Q

4 subsystems of earth?

A

bio,geo,atmos and hydro sphres

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3
Q

caused by burning fossil fuels

A

pollution

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4
Q

variety of animal and plants found on this planet

A

biodiversity

important for sustaining life because it prevents 1 species from powerf

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5
Q

not evenly distributed throughout plnet because life depends on many factors ,entire range of living organisms

A

diversity

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6
Q

break down dead materials

A

decomposers

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7
Q

howmany percent

energy lost through each connection

A

90%

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8
Q

5 basic things needed to survive

A

food
water
air
shelter
ability to respond

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9
Q

interacting interdeoendent self suffuccuent group of communities

A

ecosystem

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10
Q

physical factors

A

abiotic factors

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11
Q

plaants animals and interacting organisms

A

biotic factors

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12
Q

measure of the number of different kinds of ecossystems

A

ecosystem diversity

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13
Q

sum total of genetic information contained in genes

A

genetic diversity

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14
Q

measure of number of different species in an area

A

species diversity

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15
Q

variety of important biological and chemical process

A

functional diversity

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16
Q

total variety of genes or inheritable characteristics present in a population of organism

A

genetic diversity

17
Q

variety of life forms number of species in a biological environments

A

species diversity

18
Q

diffrent kinds of species in an area

A

species richness

19
Q

set of individuals that have the same distinct characteristics and are able to produce offspring

A

species

20
Q

named and classified over 2 million species

A

taxonomist

21
Q

terrestial ecosystems

A

biomes

22
Q

interaction,branch of biology

A

ecology

23
Q

different species livenear and strive to obtain their limited resources

A

competition

24
Q

species kill other species for survival

A

predation

25
Q

one species benefits while the other does no but is not harmed

A

commensalism

26
Q

obe species benefits while the other is harmed

A

parasitism

27
Q

both species benefit

A

mutualism

28
Q

collection if creatures of the same species

A

population

29
Q

tendency to adapt

A

natural selection

30
Q

struggle between organism

A

competition

31
Q

value of biodiverwsity

A

economic
ecological
ethical and moral

32
Q

total dissaperance of all members of a certain species

A

extinction

33
Q

occurs when aa certain population of a location is extinct but continue to live elsewhere

A

local extinction

34
Q

gradual process of becoming extinct

A

background extinction

35
Q

the evolution into a new species in between extinction events

A

speciation

36
Q

extinction not normlly part of evolution

A

premature extinction

37
Q

risk of extinction

A

endangered

38
Q

could be endangered

A

threatened

Grade 9 Qtr 2 (15 decks)

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