In zoology how to remember the genus family and important points.
It's simple, make a list of phylum and write one point for every phylum why it was grouped different like example arthopoda all jointed legs animals. Artho means joint and poda means legs. So every jointed legs are grouped on this phylum.
Genus and family is common understand while studying. In zoology remember of important points are based on simple thinking points.
All animals has some common features that are:
For ant:
Habit what they live everywhere terristial
Habitat live in underground
Locomotion jointed legs
Digestive system ants do have a specialized digestive system.
Circulation system ants have exoskeletons, do not have a heart or lungs and lack closed blood vessels. Ants have an open circulatory system, like other insects.
Nervous systemThe nervous system of ants consists of a long nerve cord that also runs from head to rear with branches leading to the parts of the body, kind of like a human spinal cord.
Reproductive system sexual
Respiratory system through body holes spiracles.
Differentiation of body head thorax and abdomen
Proctective system body covered by exoskeleton chitin and has mandibles
Presence of sense organ eye and antenna.
Like this remember and imagine and write a points.
In special case if you want to write a full eassy of ant learn with understand with imagine.