The Evolution of Which Two Groups is an Example of Parallel

Question

The evolution of which two groups is an example of parallel evolution?
A) Bacteria and viruses
B) Placental and marsupial mammals
C) All vertebrate and invertebrate organisms
D) Plants and animals

Accepted Answer

Placental and marsupial mammals evolved independently in different parts of the world but share similar adaptations, such as pouches for carrying their young. This is an example of parallel evolution. The other options do not involve two specific groups evolving in similar ways.