Question

give me characteristics of annelidans and echinodermatans​

Answer 1

Answer:

They have a long and segmented body.

Annelids are bilaterally symmetrical.

They are triploblastic.

Also, they exhibit organ system grade of organisation, showing organ differentiation.

The body is covered with a thin cuticle.

They are coelomate.

Answer 2

Explanation:

Characteristics of Annelidans:-

• They have a long and segmented body.
• Annelids are bilaterally symmetrical.
• They are triploblastic.
• Also, they exhibit organ system grade of organisation, showing organ differentiation.
• The body is covered with a thin cuticle.

Characteristics of Echinodermatans:-

• They are exclusively marine animals.
• The organisms are spiny-skinned.
• They exhibit organ level of organization.
• They are triploblastic and have a coelomic cavity.
• The skeleton is made up of calcium carbonate.