What roles do prokaryotes play in ecosystems?

The major organ of the circulatory system, the heart Group of answer choices 1:transmits impulses throughout the body. 2:carries oxygen throughout the body. 3:removes bodily waste. 4:pumps blood throughout the body.

What change occurs to the pressure and volume of the lungs when the external intercostal muscles contract? Both pressure and volume increase. Both pressure and volume increase. B. Pressure increases and volume decreases. C.

Why is the plasma membrane called a selectively permeable membrane

Although cells have differences that reflect their specific functions in the body, what functions do they have in common?

Which cell that was viewed is most likely a prokaryote

What are three types of passive transport that occur in the body

10 Pts! Why can only some people smell ant's. I googled it and I only found that some people can smell ant's, and some people can't and why they smell. This is a legit question.

Suppose a mutation occurs in the cells that give rise to your brain during its development. this results in much more efficient use of oxygen by your brain tissues.

If all the rocks are removed from a desert ecosystem, what would happen to the population of rock dwelling lizards and in turn the animals which eat them?

List the three factors that affect surface ocean currents.