Answer:
A
Explanation:
Bacteria use binary fission but viruses don't
<span>The 1-kg ball accelerates twice as much as the 2-kg ball.</span>
Answer:
In mammals, oxygen is carried through the red blood cells called hemoglobin. The reason is that the oxygen is very important for the cell for releasing energy. This energy is used by the cell in different processes.
2) These adaptations are adapted by the organisms in order to perform different functions. In slow twitch skeletal muscles having high number of mitochondria because it requires more energy while fast twitch skeletal muscles contains less amount of mitochondria due to low requirements of energy. These characteristics are adapted according to the performance of the body parts.
An ecosystem is <span>a biological community of interacting organisms and their physical environment.</span>
