Final Animal Review '22

I have a digestive cavity with one opening, and have tentacles.  

• Sponge

• Cnidarian
• Arthropod
• Mollusk

I have three pairs of jointed legs and a body divided into three sections.  As a butterfly, I have wings.

• Gastropod

• Crustacean

• Arthropod
• Mollusk

To what phylum do I belong?

• Gastropod

• Cnidarian

• Mollusk

• Flatworm

To what phylum do I belong?

• Cephalopod

• Mollusk

• Sponge

• Cnidarian

Characteristics of animals are eukaryotic, multicellular, and _________________

• autotrophic, no cell wall

• heterotrophic, no cell wall

• autotrophic, cell wall

• heterotrophic, cell wall

To what group does this organism belong?

• Cephalopod

• Gastropod

• Bivalve

• Cnidarian

What type of body symmetry do these organisms have?

• asymmetry

• radial

• bilateral

• all of the answer choices are correct

Identify the phylum with the following characteristics:

1. Organisms are strictly aquatic

2. Organisms have radial symmetry

3. Organisms have two cell layers

• sponges

• cnidarians

• flatworms

• mollusks

Identify the phylum with the following characteristics:

1. Bilateral symmetry

2. Usually covered by shell or shells

3. classes include: gastropods, bivalves, cephalopods

• mollusks

• flatworms

• cnidarians

• arthropods

The first animal that had a head, was also the first animal to:

• have three cell layers

• have bilateral symmetry

• actively hunt

• have three cell layers, bilateral symmetry, and to hunt