All four options:
black fur, black eyes
black fur, red eyes
white fur, black eyes
white fur, red eyes
Are correct! (Select all four)
What do you mean by responsible? Do you want to know the genetics behind it, what the surface markers do, or why they are metically important? I think I can help.
For example bees they use wax to build shelter
Answer:
Primary reinforcer is innate, secondary reinforcer is a stimulus
Explanation:
While a primary reinforcer is innate, a secondary reinforcer is a stimulus that becomes reinforcing after being paired with a primary reinforcer, such as praise, treats, or money.
Hope this helps!
Brain-List?