Hi, need to submit a 500 words essay on the topic Biodiversity of the Ecosystem in Taxon.The first period of evolution of insect is called Devonian. Development of body parts was the first major part

Hi, need to submit a 500 words essay on the topic Biodiversity of the Ecosystem in Taxon.

The first period of evolution of insect is called Devonian. Development of body parts was the first major part of evolution of insects. There are three major part of insect body namely Head, Thorax and Abdomen. Insects belong to each group of ecosystem. They can live in water,

air and on land and trees also. There are various developments in their structure according to their adaptations. Like when insects start flying they developed wings. They also developed compound eyes to have good sight and navigation. To support their bones they have a strong skin.

Slowly according to their habitat they modified their body structure. Folded wings made them compact in size. The latest modification in the structure of insect is the evolution from larvae. This made them to evolve independently. Their mouth, limb, wings and other parts developed. The development of mouth happened according to the food habits. They developed sucking mouth to suck the nectar from flowers. They generally depend on liquid diet. Change in flower structure caused to the change in the mouth structure of insects.

The evolution of insects was a very long process. However threat to them is much and should be preserved to save ecosystem.