Leaf morphology

The difference shown in the morphology of leaf during the developmental stages will be in

Write a note on morphology of pancreas.

The morphology of the chromosomes is studied during

Describe the morphology and chemical nature of Bacteriophages.

The chromosome morphology is best studied during

Chromosomal morphology (Structure) is best observed at :-

A plant species shows several morphological variations in response to latitudinal gradient. When grown under similar conditions of growth, the morphological variations disappear and all the variants have common morphology. What are these variants called?