Question

Write the characteristics of the following:
a. Echinodermata
b. Annelida
c. Fungi

Answer 1

Answer:

Characteristics of Annelida: Plesiomorphies and Other Features

Symmetry and Size. Annelids are all bilaterally symmetrical animals.

Coelom.

Body wall.

Parapodia.

Nervous system.

Sense organs.

Circulation and respiratory structures.

Segmental organs.

Answer 2

Echinodermata

• They have a star-like appearance and are spherical or elongated.
• 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.

Annelida

• Annelida is a group commonly referred to as segmented worms, and they are found worldwide from the deepest marine sediments to the soils in our city parks and yards. Through most of the 20th century Annelida was split into three major groups; Polychaeta, Oligochaeta (earthworms etc.) and Hirudinea (leeches).

fungi

• Most fungi grow as tubular filaments called hyphae. An interwoven mass of hyphae is called a mycelium.
• The walls of hyphae are often strengthened with chitin, a polymer of N-acetylglucosamine. ...
• Fungi disperse themselves by releasing spores, usually windblown. ...
• Fungi are heterotrophic.