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 type of symmetry does a sponge have?

• bilateral symmetry
• radial symmetry
• asymmetrical

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

large opening at the top of a sponge where water exits.

• ostia
• osculum
• orifice
• opening

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 bilateral symmetry
• They have a true coelom
• They are animals