exam Flashcards
(96 cards)
what is biodiversity?
the variety of all life forms and the ecosystems of which they form a part.
what is community?
a group of independent plants and animals inhabiting the same region and interacting with each other
what is an alpine environment?
The term ‘alpine’ refers to area’s above a certain altitude that are treeless because of prolonged low temperatures. it is a high mountain area.
example: Mt Stirling
alpine fauna
baw baw frog - endangered species
mount pygmy possum - endangered species
what is a coastal environment?
The areas where the land masses meet the seas.
Coastal environments include tidal wetlands, estuaries, bays, shallow near-shore waters, mangrove swamps, and in-shore reef systems. The critical habitats of these zones are: feeding, breeding, nursery, and resting areas.
example: YCW beach, phillip island
coastal fauna
orange bellied parrot
hooded plover - endangered species
fairy penguin
what is a grassland environment?
area in which the vegetation is dominated by a nearly continuous cover of grasses.
example: Mt arapilies
grassland fauna
kangaroo
bush stone curlew - endangered species
stumpy tail lizard
safe and sustainable planning (essential knowledge)
Good planning and preparation
- Access and evacuation points and emergency plans
- Facilities available at your locations (toilets, shelter, campsites)
- Sensitivities of the flora and fauna
- Sites of cultural significances
- Appropriate clothing, food and equipment
- Expected range of weather conditions
- Access to drinking water
- Camping and fire restrictions
- Access to medical help
- Mobile phone coverage
- Completed risk management/assessment
- Local knowledge updates
- Codes of conduct for recreational activity
- Minimal impact strategies
inputs
C02, water and sunlight
fauna, flora, solar energy, chemical energy
processes
Photosynthesis
respiration, transpiration, reproduction, succession, decomposition
outputs
02, sugar
Water, Seeds, Timber, Gases (O2, CO2),
Heat
Biotic - factors
living
examples:
- plants
- animals
- fungi
- bacteria
Abiotic - factors
non-living
examples:
- water
- sunlight
- soil
- air
- temperature
what is the atmoshpere?
The gas that surrounds the earth.
what is the hydrosphere?
all the water on earth
what is the lithosphere?
The soil and rocky crust of the earth and it’s core
of molten rock.
what is the bioshpere?
There is a shell that surrounds the earth which is
approximately 20 km’s from the deepest ocean to the
highest mountains.
Components of an ecosystem
- organism
- species
- population
- community
what is an organism?
Refers to single living thing
what is a species?
Is a group of organisms of the same type
that are capable of interbreeding.
what is population?
Is a group of organisms of the same
species living together in the one area.
what is a habitat?
Refers to the specific place within an ecosystem that is occupied by an organism or population.
what is ecological niche?
An ecological niche refers to what an organism consumes, what consumes it, where it lives, and its interactions with the biotic and abiotic components of its environment.
No two species can occupy the same niche.