Academic Decathlon Science Practice Test

What is notable about the Chinese giant salamander?

It is the smallest amphibian. It is an average-sized amphibian. It is the largest amphibian and is critically endangered due to habitat loss and overexploitation. It is venomous.

Correct Answer:

It is the largest amphibian and is critically endangered due to habitat loss and overexploitation.

Explanation:

The main idea here is that this salamander stands out as the largest amphibian on Earth, capable of reaching lengths close to a meter and a half to nearly two meters. That enormous size is paired with a troubling conservation status: it is critically endangered because its freshwater habitats in China are being lost or degraded, and the animals are heavily collected for food and for the pet trade. Pollution, dam construction, and habitat fragmentation further threaten populations. This combination of extreme size and severe threat makes it particularly notable. It’s not venomous, so that option isn’t correct.

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