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3AB Outdoor Ed > The Environment > Flashcards

The Environment Flashcards

0
Q

Define photo synthesis

A

Process by which plants convert sunlight as energy

Carbon dioxide and water into glucose and oxygen

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1
Q

Explain population

A

Members of the same species living in the same habitat.

Eg lizard under rock

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2
Q

Define producers (autotrophs)

A

Plant which produce their own food by the process of photosynthesis

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3
Q

Define consumers (heterotrophs)

A

Organisms which obtain food by eating other organism

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4
Q

Define herbivore (primary)

A

Consumer or plant eater

Eg. caterpillars, lizards, mice,

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5
Q

Define carnivore (secondary)

A

Meat eaters

Sharks

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6
Q

Define predators

A

Catch food eg spider snake shark

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7
Q

Define scavengers

A

Eat dead animals

Eg fox

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8
Q

Define omnivores

A

Animals that obtain food from plants and animals.

Eg human, turtle, fox

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9
Q

Define parasites

A

Feed in or on body

Eg flea, ticks

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10
Q

Define decomposers

A

Break down animals and plants into simpler substances.

Eg termites and millipede

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11
Q

List biotic components

A

Produce
Consumers
Decomposes
Resources (plants)

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12
Q

List physical abiotic components

A

Waves, currents, temp, light, wind, rain

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13
Q

List chemical abiotic components

A

Soil, oxygen, carbon dioxide, nutrients, salinity, water.

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14
Q

Explain forests

A 
Create oxygen
Supply homes and shelter
Influences by temp, rain, soil, position
If tops join (closed)
If tops don't (open)
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15
Q

Explain the Savannah grass lands

A

Tropical
Between desert and rain forest
Natural or artificial
1/3 land surface

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16
Q

Explain deserts

A

20% of world has low rain fall
Hot or cold
40% of Australia

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17
Q

Explain oceans and seas

A

70% of planet

3 major oceans. Pacific, Atlantic, Indian

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18
Q

Explain coral reef

A

Colonies that animals & plants live in
Shallow clear water
Sunlight

19
Q

Explain island

A

Wa has 2 bio regions
Northwest- we/nt =1.07k sq mill
Southwest- Kalbarri past wa=1.3 k mil

20
Q

Explain coastlines and sandy beaches

A

Beaches, shallow water, sand bars

21
Q

Explain wetlands

A

Any land regularly saturated by water

6% of world

22
Q

Explain the reason for talks and scripts

A 
Demonstrate importance for particular places or interests
Aim or show something relevant
Skill demonstration
Explain concepts 
Spiritual tone
23
Q

Explain reason for guided walks and tours

A

Narrate stops and direct people to significant points

24
Q

Explain the reason for exhibits and signs

A 
Interpreting aspects of the environment
Useful to convey info
Exhibit - text & image
Sign - text 
Theme awareness/message components = selected detail to act on new knowledge
25
Q

Explain self guided trails

A

Multiple stops to gather info

Used to assist in seeing things not normally noticed

26
Q

Weather is influence by… (4)

A

Suns heating of the earth
Rotation of earth
Orbits of moon and planets
Difference in air temp. - Wind

27
Q

Explain air pressure

A

Pressure exerted on object by weight of air above

Higher above sea level means less air above so less air pressure

28
Q

Explain wind speed and directions

A

Pressure force, Coriolis force, centrifugal force and friction.
Act upon parcels of air to move them, resulting in geostrophic wind and gradient wind.

29
Q

What is geostrophic and gradient wind

A

Geostrophic- high to low pressure across isobars

Gradient- pressure force, Coriolis and centrifugal act on parcel of air

30
Q

Explain visibility

A

Among of cloud cover

Measures in 8ths

31
Q

Explain reason for precipitation (4)

A

Dew and frost
Fog
Rain and drizzle
Hail or snow

32
Q

Explain humidity

A

Humidity is the condition of the atmosphere with regard to its water vapour content

33
Q

Explain temperature (5)

A 
Cold - polar
Cool- temp
Warm- tropical
Dry - continental
Moist - maritime
34
Q

Factors of air temp (4)

A

Sun movement
Air stream movement
Wind strength
Cloud cover

35
Q

What is persistence method ?

A

Stating that today will be similar to yesterday

36
Q

What is the steady state or trend method?

A

Based on snap shot of weather and knowledge of cloud movement

37
Q

What is analogue method ?

A

Weather pattern assuming similar pattern to previous

38
Q

What is a statistical forecast ?

A

Mathematica probability base on past atmosphere data

39
Q

What is probability forecast

A

Climate data and long term records

40
Q

Explain the using technology method

A

Radar and satellite imaging

Planning

41
Q

Explain short term forecasting in an expedition

A

Log book to record 9am - 3pm

Wind speed and direction

42
Q

Explain long term forecasting on expedition

A

Beyond 10 days
Good knowledge will enhance
Find as much info as possible
Climate trends

43
Q

Methods for observing natural environment are (4)

A

Sighting
Tracks
Scats
Field guides

44
Q

Data can be gathered by (6)

A 
Simple observation and recording
Map work
Sketching 
Interviewing 
Photography
Use of scientific instruments

3AB Outdoor Ed (9 decks)

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