Differentiate between allometric and isometric growth that occurs in multicelluar organisms. Describe the various factors that govern growth in multicelluar organism.

Define cleavage in fertilized egg and give its two main characteristic features. Describe the mechanism of cleavage in the fertilized egg.

The state of suspended growth and metabolism.

A mass of cells that divides to form the archesporial mother cells

Complete metamorphosis in insects

in-vitro clonal propagation.

The cell of the pollen grain that divides to form sperms.