OUTDOOR ED SAC 2

Question 1

Define Ecosystem

Answer 1

A community of interdependent species and their environment

Question 2

Define Renewable energy

Answer 2

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

Question 3

Define migration

Answer 3

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

Question 4

Define fossil fuels

Answer 4

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

Question 5

What is biotic

Answer 5

A living organism

Question 6

What is abiotic

Answer 6

A non living feature in an environment

Question 7

The 4 spheres

Answer 7

Biosphere
Hydrosphere
Lithosphere
Atmosphere

Question 8

Biosphere

Answer 8

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

Question 9

Atmosphere

Answer 9

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

Question 10

Hydrosphere

Answer 10

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

Question 11

Lithosphere

Answer 11

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

Question 12

Water cycle

Answer 12

• 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.

Question 13

Nitrogen cycle

Answer 13

• 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.

Question 14

Carbon Cycle

Answer 14

• removal of fossil fuels
• creates pollution
• increases green house gases

Question 15

What are producers, what are their roles?

Answer 15

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

Question 16

What are consumers, what do they do?

Answer 16

Consumers are animals

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

Question 17

Role of decomposes

Answer 17

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

Question 18

A simple food chain

Answer 18

Sun 
Producer - plants 
Primary consumer - herbivores 
Secondary consumer- carnivores 
Decomposes - fungi

Question 19

Difference between food chains and food webs

Answer 19

Food chains - only go down one single path

Food webs - go down multiply paths and consumers / interconnect

Question 20

Components : organism

Answer 20

Refers to single living thing.

Question 21

Component: species

Answer 21

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

Question 22

Component: population

Answer 22

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

Question 23

Component : community

Answer 23

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

Question 24

Inputs

Answer 24

Co2 
Water 
Sunlight 
Matter 
Nutrients

Question 25

Processes

Answer 25

Respiration Photosynthesis Reproduction

Question 26

Outputs

Answer 26

Oxygen Sugar Water Co2

Question 27

Indigenous relationships to outdoor environments

Answer 27

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

Question 28

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

Answer 28

- 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

Question 29

Primary succession

Answer 29

- growth for the first time - creation of a ecosystem - no soil existed before

Question 30

Secondary succession

Answer 30

- where an developed environment is destroyed by a natural disaster.

Question 31

Long term affects

Answer 31

Succession Migration Climate

Question 32

Short term affects

Answer 32

``` Day to night Seasons Tides Floods Fire Drought ```

Question 33

John glover

Answer 33

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

Question 34

Flood

Answer 34

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