Answer: A specific chemical binding to nociceptors
Explanation:
scientists can test differences of the area with pigmentation by observing which is lighter and which is darker however they use microscope to look the difference of the pigmentation over the cells.
The branching point on a cladogram represents a common ancestor. A cladogram is a diagram used in cladistics to show relations among organisms. However it is not an evolutionary tree since it does not show how ancestors are related to descendants, nor does it show how much they have changed.
They typically sleep about 16-17 hours a day; that’s a lot!
Have a lot of mitochondria so that more respiration providing muscles with more energy for muscle contraction
Hope it’s useful
