Question

Cephalopods such as squid and octopi can communicate by changing skin colors and sometimes even skin patterns. this type of communication is an example of a
a chemical signal
b. sound signal
c. language
d. visual signal

Answer 1

Answer:

d. visual signal

Explanation:

Changing color by cephalopods ssuch as squid & octopi is a type of visual signal which helps in communication. These creatures are highly social animals and for social behavior communication is a must. So, in order to communicate effectively, they often change the colors and patterns of their skin. Initially this ability to change color was meant for camouflage but later on these animals started using this ability to communicate. The control centre of such visual signals is their brain which can manipulate the chromatophores within their body. They usually use such visual signals during courtship rituals and hunting.

Answer 2

This is an example of d. visual signal

It is not a language per se, and it is certainly not a sound signal. A chemical signal would be if they released chemicals from their body.