Coral Reefs: Porifera

What type of symmetry do sponges (Porifera) have?

• asymmetrical
• radial
• bilateral 
• medial

The spongin and spicules make up what in sponges?

• digestive tract
• skin
• stomach
• skeleton

Water enters sponges through the ______.

• ostia/ostium
• oscula/osculum

What skeleton type?

• Asconoid
• Leuconoid
• Syconoid

Tags

NGSS.MS-LS4-2

Describes an animal that does not move as an adult

• hermaphrodite
• sessile
• filter feeder
• spongin

Animals bring in or attract food from the surrounding environment are ________

• sessile
• medusas
• filter feeders
• choanocytes

Sponges can reproduce both sexually and asexually

• true
• false

Tags

NGSS.MS-LS3-2

The hard "skeleton" structures in a sponge are called...

• Spongin
• Spicules
• Amebocytes
• Pinococytes

What habitat can sponges be found or inhabit?

• Saltwater and Freshwater
• Saltwater only
• Rainforest
• Freshwater only

Which of the following is the correct description of how Porifera get food?

• They hunt and capture prey using tetacles
• They surround food particles using cytoplasmic extensions
• They secrete digestive enzymes and absorb the nutrients
• They are suspension feeder that filter food particles out of the water