How many or what type of chromosomes would be expected in a karyotype of a human male?

Johnny rode his bike 4 blicks down the street to his friend's house once he got to his friend house and realized he could not cone out to play he turned aroubd and went back home. what is displacement for the total bike ride? how did you determine this? what could we use as a reference point to determine he was in motion during his bike ride? why can you use it as a reference point

Has regulatory areas for thirst, hunger, body temperature, water balance, and blood pressure

Coral have a symbiotic relationship with what in order to eat?