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LS > identify, describe & explain terminology > Flashcards

identify, describe & explain terminology Flashcards

1
Q

independent

A

cause - does not change

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2
Q

dependant

A

effect

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3
Q

biosphere

A

the part of the earth that supports all life

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4
Q

ecology

A

the study of the interaction of organisms & their environment

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5
Q

chemical potential energy

A

the form in which energy is stored in food during photosynthesis

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6
Q

abiotic factors

A

non-living elements of an environment

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7
Q

biotic factors

A

living elements an environment that influences each other

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8
Q

greenhouse effect

A

sunlight warms up the earth, but heat can’t escape the denser atmosphere anymore

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9
Q

rain shadow

A

clouds blown upward, causing mountain rainfall

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10
Q

hibernation

A

winter sleep due to extremely low temps

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11
Q

estivation

A

summer sleep due to high day temps with dry conditions

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12
Q

homogenous

A

you cant see the difference in the nature of the plants

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13
Q

stratification

A

the appearance of 3 layers
1. crown
2. shrubs
3. fern, ground

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14
Q

habitat

A

living place of an organism

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15
Q

niche

A

role played in an ecosystem

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16
Q

carrying capacity

A

number of organisms that can be supported by the environment

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17
Q

habitat modification

A

a change in land use or land cover that has an impact on local ecosystems

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18
Q

fynbos

A

small leaves

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19
Q

indigenous plants

A

a plant that naturally grows there

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20
Q

endemic plants

A

plants that are only found in that area and nowhere else

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21
Q

fuel pile

A

gathering of flammable liquids

22
Q

salinity

A

concentration of salt in water or soil

23
Q

bio-diversity

A

the different kinds of life you’ll find in one area

24
Q

eco-region

A

areas where ecosystems (and the type, quality, and quantity of environmental resources) are generally similar

25
Q

flagship-species

A

a species chosen to raise support for biodiversity conservation in a given place or social context

26
Q

invader

A
27
Q

nocturnal

A

active at night

28
Q

diurnal

A

active at daytime

29
Q

sandy soil

A

poor water retention

30
Q

loam soil

A

high humus, good water retention

31
Q

clay soil

A

high water retention

32
Q

alkaline

A

occurs in areas w a low rainfall where salts accumulate in the soil

33
Q

acidic

A

found in areas w high rainfall. water washes leaches salts from the soil and is replaced by H+-ions- hence the low pH

34
Q

hydroscopic (absorption)

A

water molecules cling to the soil particles

35
Q

capillary

A

water is found between soil particles & can be absorbed by plants

36
Q

seepage (borehole)

A

water is available to plants as it seeps through the upper soil layers

37
Q

autotrophs

A

an organism that can produce their own food

38
Q

heterotrophs

A

organisms that eat other plants or animals for energy & nutrients

39
Q

saprophytic

A

obtaining food by absorbing dissolved organic material

40
Q

biome

A

an ecological area

41
Q

population

A

a group of the same species living in the same area at the same time

42
Q

communtiy

A

a group of diff species living in the same area at the same time

43
Q

genetic diversity

A

the variety, as well as the variation in a species

44
Q

species diversity

A

the number of diff species found in certain area

45
Q

endemic species

A

are only found in a specific area

46
Q

extint

A

species die out due to natural or human impacts

47
Q

taxonomy

A

naming and classification of living organism

48
Q

eukaryotes

A

True nucleus

49
Q

prokaryotes

A

no true nucleus

50
Q
A

LS (8 decks)

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