Phylum Porifera: The Sponges

What is the common name for Phylum Porifera?

• Corals

• Sponges

• Algae

• Mollusks

Fill in the blank: Sponges belong to the Kingdom ________.

• A) Plantae

• B) Fungi

• C) Animalia

• D) Protista

In which domain do sponges belong?

• Eukarya

• Bacteria

• Archaea

What is the main characteristic of asymmetrical animals?

• They have a general body plan

• They have an axis of symmetry

• They have no general body plan or axis of symmetry

• They have mirror-image halves.

Asymmetrical animals, such as sponges, have ________.

• A) a general body plan

• B) an axis of symmetry

• C) no general body plan or axis of symmetry

• D) mirror-image halves.

What is radial symmetry?

• Symmetry around a central axis

• Symmetry along one plane

• Symmetry in a circular pattern

• Symmetry in a square pattern

Which of the following organisms exhibit radial symmetry?

• Coral

• Jellyfish

• Starfish

• All of the above.

Bilateral symmetry in animals, such as humans and fish, means they have only a _______ plane of symmetry that produces mirror halves.

• single

• multiple

• no

• radial

What does 'Porifera' mean?

• Pore Bearing

• Water Bearer

• Soft Body

• Hard Shell

Which of the following is a characteristic of Porifera?

• Symmetrical

• Asymmetrical

• Bilateral

• Radial