There is huge diversity among animals and plants and their study is one of the toughest matters. Because it varies from animal to animal. So, therefore, scientists classify animals and plants into various groups and subgroups is called animal classification.
State the benefits of Animal classification.
- The study of animals becomes convenient.
- The study of few animals from a group helps to understand that entire animal group.
- Gives the idea about animal evolution.
- Animals can be easily identified with great accuracy.
- It helps to understand the relationship of animals with other living organisms.
- It helps to understand the habitat of each animal and its exact role in nature.
- It helps to understand the various adaptation shown by animals.
Why is it very easy to study the vast variety of animals? Justify your answer.
- There is vast diversity among the animal and approximately seven million animal species present on the earth.
- If groups and subgroups of animals are formed, it is depending upon the similarities and differences to study the vast variety of animals and plants. Therefore, it will be easy to study the vast variety of animals.
How is there huge diversity among the animals?
- Animals vary by body size, habits, and habitats as some are aquatic animals, some crawl on land, some dwell in the water whereas some fly in the sky.
- Some animals have scales on their skin whereas some have feathers or hairs. There is huge diversity among the animals too.
What are the characteristics of Non- chordates?
Non-Chordates:
- The body is not supported by a rod-like notochord.
- Pharyngeal Gill-Slits are absent.
- Neve chord if present, it is on the ventral side. It is isolated and paired.
- If the heart is present, it is on the dorsal side of the body.
