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Semsester 2 > OUTDOOR ED SAC 2 > Flashcards

OUTDOOR ED SAC 2 Flashcards

1
Q

Define Ecosystem

A

A community of interdependent species and their environment

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2
Q

Define Renewable energy

A

Energy that can be obtained from natural resources that can be constantly replenished

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3
Q

Define migration

A

A specie that moves from one location to another in response to changes in habit

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4
Q

Define fossil fuels

A

A deposit such as petrol, coal or natural gas derived from the accumulated remains of ancient plants and animals and used as fuel

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5
Q

What is biotic

A

A living organism

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6
Q

What is abiotic

A

A non living feature in an environment

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7
Q

The 4 spheres

A

Biosphere
Hydrosphere
Lithosphere
Atmosphere

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8
Q

Biosphere

A

There is a shell that surrounds the earth which is approx 20kms, this shell includes all life on earth and humans can only exist.

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9
Q

Atmosphere

A

The gas that surrounds the earth, we rely on this for nitrogen and oxygen.

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10
Q

Hydrosphere

A

All water on earth, it is found in the atmosphere.

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11
Q

Lithosphere

A

The soil and rocky crust of the earth and its core of molten rock

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12
Q

Water cycle

A
  • Water gets cleaned through the natural process called the water cycle.
  • Never be anymore fresh water on this land then their is now.
  • Water we drink is the same water when the world began.
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13
Q

Nitrogen cycle

A
  • Nitrogen takes up most of the worlds air
  • all life requires nitrogen compounds
  • when animals and plants decompose via bacteria it transforms it into nitrogen.
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14
Q

Carbon Cycle

A
  • removal of fossil fuels
  • creates pollution
  • increases green house gases
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15
Q

What are producers, what are their roles?

A

Producers are plants
They manufacture complex inorganic substances generally co2 or H2o
- produce a food source for the animals

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16
Q

What are consumers, what do they do?

A

Consumers are animals

They use the bodies of other organisms as a source of food energy.

17
Q

Role of decomposes

A

Break down organic material and use the decomposition products to supply themselves with energy.

18
Q

A simple food chain

A 
Sun 
Producer - plants 
Primary consumer - herbivores 
Secondary consumer- carnivores 
Decomposes - fungi
19
Q

Difference between food chains and food webs

A

Food chains - only go down one single path

Food webs - go down multiply paths and consumers / interconnect

20
Q

Components : organism

A

Refers to single living thing.

21
Q

Component: species

A

Is a group of organisms of the same type that are capable of interacting

22
Q

Component: population

A

Is a group of organisms of the same species living together in the one area

23
Q

Component : community

A

A number of populations of different species living together in an environment

24
Q

Inputs

A 
Co2 
Water 
Sunlight 
Matter 
Nutrients
25
Q

Processes

A

Respiration
Photosynthesis
Reproduction

26
Q

Outputs

A

Oxygen
Sugar
Water
Co2

27
Q

Indigenous relationships to outdoor environments

A

Fire stick relationships
Indigenous use this method when moving across the land

Looked after the land
Developed a bond, strong connection
Handled different seasons well: movement of home looking for food sources to survive

28
Q

What would be the consequence of removing a component from an ecosystem

A
  • it could affect a species habitat or home
  • could have been a food source of a specie or many species
  • vital component to that land (part of)
  • some animals could over populate or become extinct
29
Q

Primary succession

A
  • growth for the first time
  • creation of a ecosystem
  • no soil existed before
30
Q

Secondary succession

A
  • where an developed environment is destroyed by a natural disaster.
31
Q

Long term affects

A

Succession
Migration
Climate

32
Q

Short term affects

A 
Day to night 
Seasons 
Tides 
Floods 
Fire 
Drought
33
Q

John glover

A
  • He tired to get people to understand what the Australian environment looked like.
  • expectation of the environment
  • added features
  • draw for different generations
34
Q

Flood

A

An overflow of a large amount of water beyond its normal limits, especially over dry land

Semsester 2 (5 decks)

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