Animal Biodiversity terminology

Symmetry seen in sponges

• Asymmetry

• Radial symmetry

• Bilateral symmetry

• Asymmetry

• Radial symmetry

• Bilateral symmetry

• Asymmetry

• Radial symmetry

• Bilateral symmetry

Choose the two correct options.

• Diploblastoc

• Triploblastic

• Acoelomate

• Coelomate

Choose the two correct options.

• Diploblastoc

• Triploblastic

• Acoelomate

• Coelomate

The embryonic germ layer that develops to eventually form the body surface and nervous system.

• ectoderm

• endoderm

• mesoderm

The embryonic germ layer that develops to eventually form the digestive system or gut.

• ectoterm

• endoderm

• mesoderm

The jelly-like substance found between the two embryonic tissue layers of a diploblastic animal.

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The concentration of sense organs, nervous control, etc., at the anterior end of the body, forming a head and brain, both during evolution and in the course of an embryo's development.

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Evolutionary advantage of this type of gut

• Specialization of parts along the tube

• Faster process of digestion

• Animal can grow larger

• Concentration of nervous tissue