A cup is surrounded by air in room temperature Describe the energy transfer between the water and air if the system is at equilibrium

A. Energy is transfers from air to the water

B. Energy transfers from water to the air

C. Energy transfers back and forth between air and water

D. None of the above

hormones in blood stream

image: dtc.ucsf.edu

endocrine glands secrete hormones into the blood stream near them; the hormones then travel in our bloodstream until it reaches its destination, called a target cell, in distance parts of the body. in the target tissue, hormones lock onto the target’s plasma membrane, called the receptor site.

clumped distribution, because you'de have all of the population gathered in a relatively small are.

it's the most common because it provides protection and a mate for reproduction

example: humans, seeweed, cattles, etc.