Cane Toads Flashcards

1
Q

What are three factors that contributed to the cane toads successful invasion of Australia

A

Large amount of space
No predators
No competition
An abundance of resources

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2
Q

Identify three characteristics of cane toads that increase its probability of successful colonization

A

They gave high reproductive output

They have a good defense against predators and can therefore not be preyed in by native species

They are generalists that can eat a wide variety of food

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3
Q

Are cane toads r or k selected?

A

They are r selected because they produce a large amount of eggs (high reproductive output)

They are also generalists

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4
Q

Differentiate between an exotic species and an invasive species

A

An exotic species is a species that is new to the ecosystem but does not cause any harm

Whereas an invasive species increase exponentially and they cause harm to the native species in the ecosystem (an exotic species that causes material or financial harm)

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