What is a cladogram?

Question

and how are they different from phylogenetic trees?

Answer 1

Cladogram is a graphical representation in form of branched diagrams, illustrating the relatedness

Pylogenetic trees are also branched diagrams which shows the evolution of a plant or animal. It differ from cladogram in the fact that the the branches defines the time or evolutionary period

Answer 2

A branching, treelike diagram in which the endpoints of the branches represent specific species of organisms. It is used to illustrate phylogenetic relationships and show points at which various species have diverged from common ancestral forms.

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