Cladogram is a diagram that tells the relationships between different groups of taxa called “clades”. Cladogram gives phylogeny (evolutionary history) of the taxa. The organisms which share derived characteristics are grouped together while constructing a cladogram. Jelly fish is a cnidarian share common characteristics such as radial symmetry, simple tissues and no body organs with other members like corals and sea anemones.
1) C- Genus and Species
2) B- Rectum
<span>A mutation is the permanent alteration of the nucleotide sequence of the genome of an organism, virus, or extrachromosomal DNA or other genetic elements.
The most frequent kind of mutation, a point mutation, occurs when a single base pair is replaced by another.</span>