22. There are several species of salamanders that have adapted for life in underground caves. These salamanders usually have small, non-functional eyes.Scientists studying biological evolution consider the salamanders 'eyes to be an example of an incomplete ada a vestigial structure a genetic mutation an analogous structure

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22. There are several species of salamanders that have adapted for life in underground caves. These salamanders usually have small, non-functional eyes.Scientists studying biological evolution consider the salamanders 'eyes to be an example of an incomplete ada a vestigial structure a genetic mutation an analogous structure

Answer 1

B. a vestigial structure

Answer 2

## Step 1The problem presents a scenario where salamanders have adapted to live in underground caves, and their eyes are no longer functional. The task is to identify the correct term that describes this situation.## Step 2The term 'estigial structure' refers to a part of an organism that is reduced from or not fully developed, and it has no apparent function. This term is used to describe features that have lost their original function through evolution.## Step 3In this case, the salamanders' eyes are no longer functional, which aligns with the definition of a vestigial structure. The eyes are no longer needed for the salamanders' survival in the caves, hence they are considered vestigial.

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