Assesment of Group 3

It is the two form or structure types of phylum cnidaria.

• Epidermis form and Gastrodermis form

• Polyp form and Medusa form

• Mesoglea and Gastrovascular cavity

• None of the above

The layer of tissue that secretes digestive juices into the gastrovascular cavity.

• Mesoglea

• Epidermis

• Gastrodermis

• All of the above

The threads in the mesentry which contains cnidocytes and help subdue live prey in gastrovascular cavity.

• Hydrostatic Skeleton

• Statocyst

• Oral and Pedal Disk

• None of the above

___ is a gelatinous substance between the endoderm and ectoderm of cnidarians.

• Endoderm

• Ectoderm

• Cnidaria

• Mesoglea

It is the second structural form that cnidarians have.

• Medusa

• Polyp

• Medusae

• Planula

The ___ form has a body shaped like a hollow cylinder or a bag that opens and closes at the top.

• Medusa

• Polyp

• Medusae

• Planula

What is the common name of Cordylophora Lacustris?

• Freshwater Hydroid

• Fire Coral

• Immortal Jellyfish

• Blue Button

They have radial symmetry and are diploblastic.

• Anthozoa

• Hydrozoa

• Cubozoa

• Scyphozoa

Cubozoans are also known as ___.

• Cauliflower Jellyfish

• Atolla Jellyfish

• Box Jellyfish

• Pink Comb Jelly

Hydrozoa is considered to be the most ___ classes of cnidarians.

• Ancient

• Advance

• Common

• Uncommon