What is heritable variation?

Heritable variation refers to the genetic differences between organisms that allow you and I to have different hair colour, height

Explanation:

These variations can be a result of genetic mutation, where factors such as sunlight alter certain genes. This is why people in Africa, for instance, have dark skin.

after receiving a stimus, the sensory receptors send(s) signals to the appropriate area of the body.  

the must be sensory neurons.  

hope its .

there are 35 white marbles

step-by-step explanation:

y- yellow marbles

4y + 5 = 45

subtract 5 from both sides

4y = 40

divide for from both sides

y = 10

plug in 10 to get 40 yellow marbles then subtract by 5 to get 35 marbles

thus there are only 10 yellow marbles