3 examples would be touch, light and chemical.
and the most common signal would be chemical.
Hope this helps! (:
Description
DescriptionReflection is the change in direction of a wavefront at an interface between two different media so that the wavefront returns into the medium from which it originated. Common examples include the reflection of light, sound and water waves
Here are some of the structures that are only found in plant cells: A large central vacuole, cell wall, and chloroplasts. A cell membrane, and nucleus are found in both, and centrioles are only found in animal cells. I hope this helped a little bit!
