What system are we talking about? Context is needed... water cycle, cells, etc?
They live every where
They can effect you and other organisms
They are microscopic
Answer:a. A timer to signal how long to brush teeth
Explanation:
Stimulus control of behavior occurs when the performance of a particular behavior is controlled by the presence or absence of a discriminative stimulus. For example, the presence of a stop sign (a discriminative stimulus) at a traffic intersection increases the probability that "braking" behavior will occur.
It's a tissue. An organ is a group of different tissues which (though they perform slightly different functions), work together in the same general processes.
Answer:
a. In image attached.
b. 25% or a 1 in 4 chance.
c. 75% or a 3 in 4 chance.
Explanation:
B = Dominant (brown gene)
r = Recessive (red gene)
If two parents both have Br genes, they will both have brown hair.
The Punnet square will look like the image attached.
