Question

please its urgent , whoever knows PLEASE say​

Answer 1

A1.

• Cytoskeleton are protein filaments that give shape and mechanical strength to the cell.

• The functions done by the cell. For example, red blood cells flow through the blood vessels. They carry oxygen and are round in shape. Muscle cells are spindle-shaped that help in contraction and relaxation.

A2.

A3. Any species whose range is restricted to a limited geographical area is known as Endemic Species.

A4. The process skills are ways of thinking about and interacting with materials and phenomena that can lead to an understanding of new scientific ideas and concepts