Phylum Porifera (Sponges) Review

Name of D (opening at top) (a)  

• Osculum
• Ostia
• Choanocytes
• Incurrent Pore

Water exits the sponge here (a)  

• A
• B
• C
• D

Tags

NGSS.MS-LS1-2

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

• True

• False

Flagella inside a sponge keep water moving through its body. Why is this necessary?

• It prevents the sponge from floating away

• It allows the sponge to feed

• It allows the sponge to absorb carbon dioxide

• It maintains the water pressure inside the sponge

Tags

NGSS.MS-LS2-3

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

Tags

NGSS.MS-LS3-2

What is the name of the phylum sponges belong to?

• mammals
• chordate
• cnidarians
• Porifera

___________ are tiny hard particles that give a sponge support and can provide protection when they stick out of a sponge.

• spongin
• bones
• buds
• spicules

Sponges have many pores or ______ to circulate water. 

• osculum
• holes
• ostia
• spongin

cells have sticky, funnel-shaped collar to collect food particles and a flagellum that creates a water current

• amoebocyte
• ostiocyte
• pinacocyte
• choanocyte

Tags

NGSS.MS-LS1-2

NGSS.MS-LS1-1