Name of D (opening at top)

• Osculum

• Ostia

• Choanocytes

• Incurrent Pore

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

Tags

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

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

How do sponges obtain food?

• filter it from the water

• grasp it with tentacles

• pry it apart with tube feet

• put it in their mouth with jointed legs

Which of the following type of cell digests and distributes food for the sponge?

• Choanocytes

• Amoebocytes

• Endodermal cells

• Epidermal cells

Tags

NGSS.MS-LS1-2

NGSS.MS-LS1-7

_________________ are specialized buds made to survive harsh weather.

• Spicules

• Plankton

• Flagella

• Gemmules

Which of the following terms defines how sponges can regrow lost body parts?

• Budding

• Symmetry

• Choanocytes

• Regeneration