Introduction to Animals

Animals that use water to bring in food from the surrounding environment are ________

• sessile

• medusas

• filter feeders

• choanocytes

Sponges are members of the ________ Kingdom.

• Animal
• Larva
• Porifera
• Sessile

What surrounds the mouth of Cnidarians?

• guard cells
• pinococytes
• tentacles
• spines

Many cnidarians feature 2 body forms, the asexual ____________, and the sexual _____________.

• blastula, planula

• metusa, poly

• planula, blastula

• polyp, medusa

Anemones belong to which phylum?

• Cnidaria
• Porifera
• Echinodermata
• Platyhelminthes

Sponges belong to which group of animals?

• Vertebrates
• Invertebrates

Animals that lack a backbone are called

• invertebrates
• vertebrates
• fungi
• organism

Sponges get their food by

• photosynthesis

• decomposing it

• sponges do not eat

• filter feeding

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-3

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

Tags

NGSS.MS-LS3-2

What type of symmetry does a sponge have?

• bilateral symmetry

• radial symmetry

• asymmetry

• medial symmetry