B.) Marshmallows catching fire.
Answer: A, a structure that has no use in the organism
Explanation:
A vestigial structure is an anatomical feature that no longer seems to have a purpose in the current form of an organism of the given species.
An example of a biology valentine is "Are you dopamine? Because every time I see you I feel happy".
<h3>What is a biology valentine?</h3>
A biology valentine is a phrase or image that refers to valentine's day or to love but is based on biology theories and concepts.
<h3>How to create a biology valentine?</h3>
These are some basic steps you can follow to create a biology valentine:
- Choose a concept in biology that is related to love.
- Create a sentence to connect the concept to the idea of love.
- Add images if necessary.
Based on this, one biology valentine is :
"Are you dopamine? Because every time I see you I feel happy".
Learn more about biology in: brainly.com/question/1010410
Sailors travel at different latitudes when moving east and west because the direction of the prevailing winds varies with the latitudes.