In the activation-synthesis model of dreaming
random neural signals from the brain stem are "synthesized". This model of dreaming <span> is a neurobiological explanation of why we dream and suggests that</span> dreaming results from the brain's attempt to make sense of neural activity that takes place during sleep. This means that even when you are sleeping, your brain is quite active.
Mona!! Seems really easy to do!!
If you are talking about insects then they are called castes. hope this helps!
2 oxygen atoms are your answer
Stomata allow for gas exchange on a leaf.
xylem and phloem are tissues that transport water and food throughout the plant.
pollen tubes transport the sperm to the egg.
