Answer:
B
Explanation:
Nerve cells can carry signals and connect all parts of the body to the brain
Answer:
converts electrical energy to mechanical energy
Explanation:
Because the prefrontal cortex is still developing, teenagers might rely on a part of the brain called the amygdala to make decisions and solve problems more than adults do. The amygdala is associated with emotions, impulses, aggression and instinctive behaviour.
Answer:
50% will have ears
Explanation:
To have ears you must have the trait nn since the ears trait is recessive, 2 of the four possible offspring are like this, so 50%
