examples of vestigial structure would include the tail bone, wisdom teeth, and the appendix. hope this helps :)
Because they have different Cones. Which simply means that some animals see certain types of colors or even Infrared or Ultraviolet, in which Humans cannot see.
Act
Cat
Gag
Tact
Those are the only ones I can find :/
Answer:
"Overfishing and pollution have been blamed for the clam shortage, and scientists believe the harvest must be limited before the stock becomes exhausted."
Explanation:
Hope this helps C:
~Chiena