Term
|
Definition
| A solid monolithic rock formation that was once below ground level. Softer ground erodes leaving the Inselberg eg. Uluru |
|
|
Term
|
Definition
| A plateau like section of higher land with a flat top but steep sides. Flat top was once ground level. Mesa is wider than it is high. |
|
|
Term
|
Definition
| The remaining solid core of what was once a mesa |
|
|
Term
|
Definition
|
|
Term
|
Definition
| Build up of material that collects at the base of slopes deposited by wind or water. |
|
|
Term
|
Definition
| Small mounds of sand that builds around an object (rock). Grows to be extremely large, moved and shaped by the wind |
|
|
Term
| How do plants adapt to the desert? |
|
Definition
Drought escapers: Plants lie dormant during dry periods. When rain falls they germinate and grow quickly
Drought Resisters: Perennials (grow all yr round). Extensive root systems, retrieving moisture from a large surface area. Plants generally have small surfaces areas above ground, reduces water losses. Waxy leaves |
|
|
Term
| Why does Australia have such a large Biodiversity? |
|
Definition
| Vast size and climatic differences allows the land mass to support an extensive variety of biomes. Each biome contains and supports a large variety of animals |
|
|
Term
|
Definition
| When a species has not been located in the wild for the past 50 years |
|
|
Term
|
Definition
| Those species at serious risk of extinction and whose survival is unlikely should current conditions continue |
|
|
Term
|
Definition
| Those species whose population is declining and whose distribution is reduced. Should the cause of these reductions continue the species would become endangered. |
|
|
Term
|
Definition
| When populations are limited to particular areas or whose number is small or scattered over a wide area |
|
|
Term
|
Definition
| The system of the Earth which contains all living organisms including plants and animals |
|
|
Term
|
Definition
| A system which involves all living things in an area and their interactions with the non-living environment. |
|
|
Term
|
Definition
| A number of different populations or species living in one place |
|
|
Term
|
Definition
| The number of organisms in the same species living in an area |
|
|
Term
|
Definition
|
|
Term
|
Definition
| The study of a species within their natural environment |
|
|
Term
|
Definition
| The variety of plants, animals or micro-organisms in an area |
|
|
Term
|
Definition
-Clearing of forests for urban settlements and agricultural projects leading to habitat destruction and loss of food supply
-The hunting and trapping of wildlife
-Introduced species (plants and animals)
- Release of domestic animals into the wild (horses camels, pigs, cats, dogs)
-pollution particularly silting of waterways
-the effect of global warming and climate change |
|
|
Term
| Which feral pets have had the most serious effect on Australia? |
|
Definition
- Rabbits
- Pigs
- Goats
- Horses or brumbies
- Donkeys
- Camels
- Cats |
|
|
Term
|
Definition
- Physical controls such as biosecurity, quarantine, trapping, shooting, fencing, fire or destruction of habitat
- Chemical controls: using poison baits, sprays or treatments.
- Biological controls: introducing viruses, genetic engineering, breeding intervention programs like immunocontraception, vaccination programs |
|
|
Term
| Biome's (from north to south |
|
Definition
| Ice, Tundra, Boreal Forest, Grassland, Desert, Savannah, Rainforest, Boreal Forest, Tundra |
|
|
Term
| Biome's (Australia, East to West) |
|
Definition
| Coastal Heathland, Wet Sclerophyll Forest, Rainforests, Dry Sclerophyll Forests, Cypress Pine, Savannah, Brigalow Scrubs , Desert, |
|
|
