Natural Areas Rest 7

Biotic components of an ecosystem could be defined as 'living or once-living organisms in the ecosystem'.

• True

• False

What are the biotic components of an ecosystem:

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OFF

Answer explanation

Plants

Bacteria

Fungi

Invertebrates

Animals (fauna)

Abiotic components of an ecosystem could be described as 'the non-living parts of the environment'

• True

• False

What are the abiotic components of an ecosystem.

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OFF

Answer explanation

Soil

Oxygen

Nutrients

Rocks

Temperature

Sunlight

Animals play an important role in natural ecosystems and revegetation projects, including:

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OFF

Answer explanation

Pollinators of a variety of plants

Seed dispersal

Recycle nutrients ie eat plants and poo out

Keep pest & diseases under control

Turn over leaf litter, accelerating the break down of organic matter into nutrients, which then become available to plants

Spread fungi spores around

Cabon dioxide + _______ (in the presence of light and chlorophyll) = ________ + oxygen.

Respiration only occurs in the day time.

• True

• False

______ is the loss of water from plants by evaporation from leaves.

select all commercial activities on crown land that require approval under the Land Administration Act 1997:

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OFF

Answer explanation

Abseiling or sand boarding

Erecting a structure.

holding a gathering of more than 100 people.

Taking photographs for commerical purposes.

Select the most appropriate answer from those listed below on why it is important that all tools, equipment and footwear are free of mud and soil when entering bushland?

• To prevent the spread of pests

• , weed seeds

• pathogens (particularly PC dieback)