Question

Read paragraph 2, with its footnote.

There are a variety of innate1 tools animals might use to find their way home from great distances. The simplest orientation strategy is known as taxon navigation, which is simply the ability to directly sense the place one wants to be.

Footnote
1 qualities present in a living creature from birth

What effect does the author’s use of a footnote have on the reader’s understanding of the text?


It clarifies the meaning of a potentially unfamiliar term, enhancing comprehension of the navigational strategies as natural.

It provides historical context about the development of navigation tools in animals based on orientation strategies.

It clarifies the meaning of an unfamiliar concept, enhancing comprehension that navigational strategies are learning behaviors.

It indicates that the navigation tools are present in adults but do not appear as a noticeable trait in younger animals.

Answer 1

It clarifies the meaning of a potentially unfamiliar term, enhancing comprehension of the navigational strategies as natural.

The footnote defines "innate" as present from birth, so readers understand these tools are inborn rather than learned.