Variation and Classification

What is this Lesson About?

Biologists have developed a classification system that groups the vast array of living organisms on our planet into various categories In order to categorize the vast array. This system has become a crucial tool for organizing our understanding of the natural world With approximately 10 million distinct species to sort through.

In the beginning of the system the organism is classified into different kingdoms. The two main kingdoms are The animal kingdom and The plant kingdom.

This kingdom is further subdivided into two groups: – vertebrates and invertebrates. Vertebrates have a backbone whereas invertebrates lack one.

There are five major types Of vertebrate among the vertebrates: fish amphibians reptiles birds and mammals. All mammals including humans have key characteristics such as maintaining a constant body temperature breathing with lungs possessing body hair or fur giving birth to live young and producing milk to feed their offspring.

You can learn all of them by using the activity tool above. Just listen and comprehend.