Sponges and Cnidarians

What is an invertebrate?

• An animal with a backbone
• a mammal
• An animal without a backbone
• birds

This picture is an example of which group of invertebrates?

• Segmented worms
• Fish
• Sponges
• Arthropods

Between 90-95% of all animals on earth can be classified as _____.

• invertebrates
• vertebrates
• reptiles
• mammals

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

• Echinoderm
• Cnidarian
• Arthropod
• Mollusk

What are some characteristics of sponges?

• Have some tissues
• Have stinging cells, and Take food into a body central cavity.
• Adults are stationary
  Take food into their bodies for energy.
• 
  Jellyfish
  Sea anemone
  

Which animal belongs to the Kingdom Animalia?

• Sponge
• Amoeba
• Paramecium
• Euglena

Tags

NGSS.MS-LS1-1

Which phylum is mainly asymmetrical?

• cnidaria
• porifera (sponges)
• echinodermata
• arthropoda

Most animals have this type of symmetry?

• radial
• asymmetrical
• bilateral
• trilateral

These organisms all have nematocysts.

• cnidaria
• mollusca
• arthropoda
• porifera

This form of cnidaria is known as a _______.

• polyp
• medusa