Invasive Species
When an animal enters a new ecosystem, it is called what?
An Introduced or Invasive Species
Can an introduced species be a plant? Yes or No?
Yes
On an ecosystem, can microbes have a positive impact, negative impact or both positive and negative? Select the most correct option.
Both positive and negative.
An organism that creates its own food from converting the sun's energy through photosynthesis is called a ....
Producer
Behavioural Adaptation
Cane toads were introduced to eat what type of animal that eats the sugar canes. (A worm, a beetle or lizard)
Beetle (Native Scarab Beetle)
Why do Cane Toads have very few predators in Australia?
They are poisonous to eat
South Australia
An organism that breaks down food from dead matter or waste products is called a ....
The location of a crocodiles eyes and nostrils to help them see and breathe, whilst remaining almost completely hidden is a physical or behavioural adaptation?
Physical Adaptation
True or False? In 1938, scientists released a virus that caused a disease called myxomatosis in rabbits.
True
True or False? The Gamba Grass was introduced to Australia from Africa in the 1930s to create more farmland.
True!
Scientists can observe and detect algal blooms from satellite images. What colour does algae appear in the water, most often?
Green
An organism that has no natural predator is called ...
An Apex Predator
A snapper turtles tongue having the appearance of a worm to lure fish is an example of a physical or behavioural adaptation?
Physical Adaptation
A method of controlling a population by releasing a living organism into an ecosystem is called B_ _ _ _ _ _ _ _ _ C _ _ _ _ _ _ .
Biological Control
What introduced species thrived when feral cats were removed from Macquarie Island?
Rabbits
Name a negative impact of a harmful algal bloom
- Toxic to marine life and impact on tourism, fishing and aquaculture.
A flow chart of interconnected food chains can be described as a _ _ _ _ _ _ _ .
Food Web
Name a reason why it would be important for a species to adapt for their survival?
Protection from predators, survive extreme conditions, mobility, catching or eating food, reproduction
An organism that can be used to measure the environmental condition of an area and give early signs of environmental problems is called....
An indicator species
Name a negative impact of the Gamba Grass species.
- Competes with native grasses and small trees.
- Reduced availability of food or medicinal plants.
- Created fuel for bushfires.
What atmospheric gas does bacteria in the roots of plants convert to Ammonia (NH4)?
Nitrogen Gas
A fox eats a mouse. The mouse eats grass. The grass gets its energy from the sun. From this food chain, what role is the fox?
The Theory of E _ _ _ _ _ _ _ _ explains how species will develop characteristics suited to their environment, with small inherited changes over generations and generations spanning a long period of time.
Evolution