It is because Prokaryotic cells has a unicellular structure compared to Eukaryotic cells which has a Multicellular structure.
Options are:
a) lymph.
b) interstitial fluid.
c) extracellular fluid (ECF).
d) plasma.
All the following are correct terms for this fluid except lymph.
The interstitial fluid surrounds the cells in the body. The other major component of the ECF is the intravascular fluid of the circulatory system called blood plasma. Whereas, Lymph is a fluid which contains infection-fighting white blood cells, throughout the body.
Sleep is an example.
Circadian rythms are biological processes that repeats itself within a certain time frame, as sleep repeats itself approximately once every day.
Plankton exists near the bottom of the ocean's food chain and provides nutrition for whales, shrimp, snail, and jellyfish. Plankton also plays an important role in the carbon cycle by removing inorganic carbon dioxide due to photosynthesis.