True because excretory is like sweat and you sweat through your skin- more specifically the pores in your skin
The correct answer is B supplementarity.
In our example, we can see that the two species can co-exist. These two species can forage in the same habitat, without disturbing the other or compete. This means that they are supplementary - they supplement each other.
Explanation:
Conditions needed for germinations are water and oxygen.
Seeds B and C has no water whereas Seed D have no oxygen.
Only Seed A has water and oxygen.
Hence the answer is A.
Blood Provides the Body's<span> Cells with Oxygen and Removes Carbon Dioxide. Blood absorbs oxygen from air in the lungs. It </span>transports<span> the oxygen to cells </span>throughout the body<span>, and it removes waste carbon dioxide from the cells</span>