Cnidarians I

Cnidarians I

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Multiple Choice

Jellyfish belong to phylum

• Porifera

• Animalia

• Cnidaria

Multiple Choice

All cnidarians have

• asymmetry

• radial symmetry

• bilateral symmetry

Multiple Choice

Which one release a barbed thread with poison?

• polyp

• nematocyst

• nettle

• gastrodermis

Multiple Choice

All cnidarians are

• monoblastic

• diploblastic

• triploblastic

• do not have any tissues

Multiple Choice

What is the outer layer of cells that develop from the ectoderm?

• epidermis

• gastrodermis

• mesoglea

Multiple Choice

Where are the nematocysts enclosed in?

• gastrodermis

• cnidocyte

• cnidocil

Multiple Choice

The inner layer of cells that develop from the endoderm is the

• epidermis

• gastrodermis

• mesoglea

Multiple Choice

Cnidarians can be found in freshwater and oceans?

• true

• false

Multiple Choice

What body form is shown in the diagram?

• polyp

• medusa

Multiple Choice

Which layer helps with digestion?

• epidermis

• gastrodermis

• mesoglea

Multiple Choice

Which one is the protective layer?

• epidermis

• gastrodermis

• mesoglea

Multiple Choice

What body form does this diagram represent?

• polyp

• medusa