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english > two number:- unit D: matter and energy in the biosphere -eastglen-sciebce > Flashcards

two number:- unit D: matter and energy in the biosphere -eastglen-sciebce Flashcards

Science

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Proverbs and Idioms flashcards
1
Q

What is Photosynthsis?

A

A proces that transforms carbon dioxide and water into oxygen and glucose.

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2
Q

What is Energy?

A

The ability to do words.

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3
Q

What is cellular Respiration?

A

Uses glucose and oxygen to produ carbon dioxide, water and energy within a cell.

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4
Q

What is Starch?

A

Excess glucose stored in plants.

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5
Q

What is Ecosystem?

A

A group of living things and the environnent they they live in.

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6
Q

What is Food Chain?

A

How energy matter transfers through an ecosystem by feeding.

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7
Q

What is Producer?

A

Organisms at th bottom of the food Chain, Produce own food.

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8
Q

What is Consumer?

A

Organisms that either eat produers or consumers.

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9
Q

What is Decmposer?

A

Eats the waste products of an ecosystem.

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10
Q

What is Food Web?

A

Better model of food chain, shows multiple levels of feeding.

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11
Q

What is Primary Consumer?

A

Eats plants only.

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12
Q

Whis is Secondary Consumer?

A

Eats animals that eat plants.

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13
Q

What is Tertiary Consumer?

A

Eats animals that eat other animals.

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14
Q

What is Energy Transfers?

A

Organisms in a food chain can be represented by an ecological pyramid.

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15
Q

What is Ecological Pyramid?

A

A model that shows the nuber of organisms and the amout of energy available at each level.

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16
Q

What is Water Cycle?

A

The re-use or cycling of water in nature.

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17
Q

What is Carbon Oxygen Cycle?

A

The re-use or cycling of oxygen and carbom in nature through photosdntesis and cellular respirtion.

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18
Q

What is Nitrogen Cycle?

A

The re-use or cycling of nitrogen in nature throungh food chains and decomposition.

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19
Q

What is Compost?

A

A mixture decomposing plants and soil.

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20
Q

What is Population?

A

The group of individuals of the same species living togeter in the same place at the same time.

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21
Q

What is Birth Rate?

A

The number of young produced by a population over a period of time.

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22
Q

What is Death Rate?

A

The number of individuals that die during a
specified time.

23
Q

What is Immigration?

A

The number of organisms coming to an area.

24
Q

What is Emigration?

A

The departure of organisms from a certain area.

25
Q

Waht is Limiting Factors?

A

The factors that limit the number of organisms an environment can support

26
Q

What is Abiotic Limiting Factors?

A

Non-living factors that limit the number of
organisms an environment can hold.

27
Q

What is Predation?

A

The killing and eating of one animal by another.

28
Q

What is Parasitism?

A

The relationship between host and parasite.

29
Q

What is Competition?

A

The competition among organisms for resources such as food, shelter, light and
water.

30
Q

What is Host?

A

Any organism that has a parasite.

31
Q

What is Reproduction Rate?

A

The rate at which a pair of organisms can
reproduce.

32
Q

What is Exotic Species?

A

Any species that does not naturally occur in an ecosystem.

33
Q

What is Ecosystem:

A

The sum of a community of living things and the environment in which they live.

34
Q

What is Biotic Community?

A

All the livingcomponents of an ecosystem.

35
Q

What is Abiotic Community?

A

All the non-living components of an ecosystem.

36
Q

What is Climae?

A

average weather conditions based on long term records.

37
Q

What is Topography?

A

The physical features in an area.

38
Q

What is Altitude?

A

The measure of height above sea-level.

39
Q

What is Latitude?

A

The measure in degrees north or south of the equator.

40
Q

What is Soil?

A

Thin layer of rock fragments and decomposed plant matter that covers the land.

41
Q

What is Clay?

A

The smallest particles that make up soil; form a flexible mass when wet.

42
Q

What is Silt?

A

Tiny rock particles found in soil; these particles are larger that clay but
smaller than sand.

43
Q

What is Sand?

A

Grain-sized pieces of rock found in soil.

44
Q

What is Gravel?

A

The largest particles found in soil; small stones.

45
Q

What is Humus?

A

The part of soil consisting of broken down plantfibres, soil particles, and decayed
organisms.

46
Q

What is Soil Crumbs?:

A

Particles of humus that have formed clumps.

47
Q

What is Leaching?

A

The washing out of materials by water running through soil.

48
Q

What is Biome?

A

A large geographic area containing distinct plants and animals.

49
Q

What is Diversity?

A

See biodiversity.

50
Q

What is Biodiversity?

A

A description of the variety of living things in an area.

51
Q

What is Extinction?

A

The elimination of a species from earth.

52
Q

What is Habitat?

A

An organism’s shelter and food.

53
Q

What is Species at Risk?

A

Pants and animals close to becoming extinct.

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