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NS > Facts > Flashcards

Facts Flashcards

1
Q

Non living factors of an ecosystem

A 
Sunlight
Air
Water
Soil
Rocks
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2
Q

Interactions in an ecosystem

A

Insects eat plants which is beneficial for the insect but harmful to the plant

A bee pollinates a flower which is beneficial for both the bee and the plant

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3
Q

Interdependencies in an ecosystem

A

Plants depend on soil for water

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4
Q

Requirements for photosynthesis

A

Sunlight
Chlorophyll
Carbon dioxide gas
Water

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5
Q

Product of photosynthesis

A

Glucose

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6
Q

By product

A

Oxygen

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7
Q

Types of glucose

A

Sucrose
Started
Cellulose

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8
Q

What is sucrose

A

Transport sugar

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9
Q

Startch

A

Stores energy

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10
Q

Cellulose

A

Strong and helps provide structure and support in plants

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11
Q

Respiration word equation

A

Glucose+Oxygen-Energy +carbon dioxide+water

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12
Q

Requirements of respiration

A

Glucose

Oxygen

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13
Q

Abiotic factors

A 
Light 
water
Air
Climate
Soil &humus
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14
Q

What trophic levels does a producer form

A

First trophic

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15
Q

Consumer trophic level

A

2nd trophic level

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16
Q

What does a food web show

A

Shows interaction between organisms

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17
Q

Types of adaptation

A

Structural
Functional
Behavioural

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18
Q

Adaptation strategies

A

Mimicry
Camouflage
Changing environment

19
Q

Problems of alien plants

A

Fishing, boating and swimming activities
Pumping and purification of water for domestic or irrigation purposes becomes difficult and expensive
They block out light

20
Q

Types of wetlands

A

Costal

Inland

21
Q

Wetlands benefits

A

Protect the soil for erosion
Control steam flow
Filter water
Protect biodiversity by protecting habitats and providing healthy ecosystems

22
Q

Five kingdoms

A 
Monera
Protista
Fungi
Plantae
Animalia
23
Q

Food made from micro organisms

A

Yeast
Wine
Cheese
Yoghurt

24
Q

Types of micro organisms

A

Viruses
Bacteria
Protista
Fungi

25
Q

Natural factors

A

Drought
Disease
Volcanic activities

26
Q

Human factors

A

Deforestation
Water pollution
Draining wetlands

27
Q

Impact of human activity

A

Loss of biodiversity
Erosion
Poisons

28
Q

Diseases caused by micro organisms

A

TB, AIDS, malaria, cholera and diarrhoea

29
Q

what is AIDS caused by

A

HI virus

30
Q

Tuberculosis

A

Bacteria

31
Q

Malaria

A

Protist

32
Q

Examples of diatomic materials

A

Hydrogen
Nitrogen
Oxygen
Chlorine

33
Q

How to separate elements

A

Heating

Electrolysis

34
Q

Example of mixturez

A

Air

Ocean

35
Q

Separate mixture

A

Hand sorting
Sieving
Filter

36
Q

Three states of matter

A

Solids
Liquids
Gases

37
Q

Melting

A

Solid to liquid

38
Q

Evaporation

A

Liquid to gas

39
Q

Condensation

A

Gas to liquid

40
Q

Freezing

A

Liquid to solid

41
Q

When do solids, liquids and gas expand

A

When heated

42
Q

When do solids, liquids and gas contract

A

When cooled

43
Q

How many elements are there

A

105

NS (2 decks)

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