Porifera and Cnidaria

Sponges and Cnidarians are all...

• Unicellular

• Asymmetrical

• Invertebrates

• Sessile

What sturcture within a choanocyte helps to move water through the sponge?

• Ostia

• Flagella

• Porocyte

• Amebocyte

Tags

NGSS.MS-LS1-2

What organization level are sponges?

• Tissue

• Organ

• Cellular

• No true organization

The large pores where water leaves the sponge are called ____.

• Oscula

• Porocyte

• Spicule

• Ostia

The sponge has no organs, tissues, and no nervous system.

• True

• False

Sponges get their food by 

• going through photosynthesis
• decomposing it
• sponges do not eat
• filter feeding

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?

• mammals
• chordate
• cnidarians
• Porifera

Sponges are primarily sessile organisms. What does this mean?

• They live permanently in one palce

• They move around their whole life

Asexual sponge reproduction where a piece of the adult sponge breaks off and settles in a new area growing to adulthood.

• broadcast spawning
• branching
• budding
• forcast spawning

Tags

NGSS.MS-LS3-2