Ecosystems
What is an ecosystem?
A community of living organisms interacting with their environment
What happens to toxins as they move up the food chain?
They accumulate in higher concentrations
What is an invasive species?
A species that is not native and causes harm to the environment
Name a native species to Australia
Kangaroo, Koala .......
What do you call a bear with no teeth?
Gummy bear
Which of the following is an example of a producer in an ecosystem?
Grass
Which organisms (primary/secondary) is most likely to be affected by bioaccumulation?
A secondary consumer
What is an example of an invasive species in Australia?
Cane toad, feral pigs, carp
What are the characteristics of an Australian desert?
Extreme heat and low rainfall
Why did the scarecrow win an award?
Because he was outstanding in his field
What is a primary consumer?
Organisms that eat other consumers
Which substance commonly bioaccumulates in ecosystems?
Mercury
How do invasive species harm ecosystems?
They reduce the amount of fod available OR They spread diseases
Why are Australian ecosystems so diverse?
There is a wide range of ecosystems across many different climates
What’s a skeleton’s least favorite room in the house?
The living room because it has no body to talk to
What role do decomposers play in an ecosystem?
Breaking down dead plants and animals
Which organism would have the highest concentration of toxins in a food chain?
The carnivore at the top of the food chain.
What is a way to control invasive species?
Hunting, trapping, spreading diseases
What is a major factor affecting the survival of native species in Australia?
invasive species
Why don’t skeletons fight each other?
Because they don't have the guts
What is biodiversity?
The variety of different species, ecosystems, and genes in the world
Why do toxins accumulate in the bodies of organisms?
They cannot breakdown
What is one effect of the European Carp in Australia?
It destroys rivers
Which Australian animal is known for laying eggs despite being a mammal?
Platypus
What did one ocean say to the other ocean?
Nothing they just waved.