TPO62综合口语Task4听力原文+MP3+范文

TPO62综合口语Task4听力原文+MP3+范文

TPO62综合口语Task4听力原文：

Listen to part of a talk in a biology class.

Professor: Okay. So on the topic of animal survival strategies, one type of strategies that’s fascinated people for centuries is protective resemblance. That’s when animals resemble their environments in some way or another by taking on the color or shape or both, of the physical objects that are behind or beneath them.

Today we’ll talk about two kinds. Which kind of protective resemblance an animal has, well, it depends on whether the animal moves through different environments in the course of its life or whether its environment is more or less permanent.

For example, animals like the horned frog. Well, they’ve got the permanent kind of protective resemblance, which is fine, because well, during the course of their lives, they don’t visit other places. So the horned frog is brown, just like the dead leaves on the forest floor where it lives. And it’s got brown lines running down its body, just like the veins of the leaves. The color and shape of its protective resemblance is fixed, like its environment. So when the horned frog is on the forest floor, it’s almost impossible for predators to see it.

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TPO62综合口语Task4题目：

Using the examples of the homed frog and the anole lizard, explain the differences between the two types of protective resemblance discussed by the professor.

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