Sponges

Sponges belong to which group of animals?

• Vertebrates
• Invertebrates

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?

• Cnidaria

• Arthropoda

• Echinodermata

• Porifera

___________ are tiny hard particles that give a sponge support and can provide protection if they are made out of calcium carbonate or silica glass.

• 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

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

What is true about sponges?

• They have organs

• They have tissues

• They have a backbone

• They are animals

The cells inside the sponge that have flagella (and absorb food) are called...

• Collar cells

• Flagella

• Osculum

• Pores

Tags

NGSS.MS-LS1-2

Which one is NOT true about sponges?

• They are multicellular

• They are autotrophs

• They are eukaryotes

• They are the simplest animals on Earth