Invertebrates part 1

Select the invertebrates animals.

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Invertebrates have...

• No backbone

• Backbone

• Mouth

• External skeleton

Name the porifera cells that move water through them.

Cnidarians type of bodies.

• Polyps

• Nematodes

• Jellyfish

• Sponges

• Soft bodies

Stinging cells from Cnidarians.

• Porocytes

• Choanocytes

• Cnidoblasts

• Ephyra

Tapeworms are always parasites.

• True

• False

Sponges belong to which group of animals?

• Vertebrates
• Invertebrates

Most sponges are hermaphrodites.  What does this mean?

• sponges can produce their own food
• sponges can produce both eggs and sperm
• sponges cannot reproduce
• sponges can swim around

What is the name of the phylum sponges belong to?

• Cnidaria

• Arthropoda

• Echinodermata

• Porifera

___________ are tiny hard particles that give a sponge support and can provide protection if they are made out of calcium carbonate or silica glass.

• spongin

• bones

• buds

• spicules