Answer:
Shape of Red Blood Cells Erythrocytes are biconcave discs with very shallow centers. This shape optimizes the ratio of surface area to volume, facilitating gas exchange. It also enables them to fold up as they move through narrow blood vessels.
Answer: Rocks are abiotic
Explanation: They arnt alive so how can it be biotic?
Describe how cancers grow.
I believe its A i hope that helps
Answer:
Bacteria is the only prokaryotes.
Some cynobacteria are also included in prokaryotes.
