Porifera Vocabulary Quiz

Match the following descriptions with the correct biological terms.

• Sclerocyte

• An animal that develops from two germ layers

• Osculum

• A whip-like tail that creates a water current

• Flagellum

• A cell that makes spicules

• Diploblast

• A large opening at the top of a sponge

What role do amoebocytes serve in the nutrient distribution within sponges?

• They produce spicules

• They transport nutrients from choanocytes to other cells

• They create a collar to capture food particles

• They secure the sponge to a substrate

Tags

NGSS.MS-LS1-2

NGSS.MS-LS1-3

Match the following descriptions with the correct term related to sponges.

• Mesohyl

• A base that anchors the sponge

• Ostia

• Pores that let water enter the sponge

• Spongin

• A jelly-like substance that fills the sponge

• Holdfast

• A soft, flexible protein that makes up the frame of some sponges

Match the following cell types with their functions in a sponge.

• Pinacocytes

• Cells that make spongin

• Oocytes

• The flat 'skin' cells on the outside of the sponge

• Choanocytes

• Cells that create current in a sponge

• Sclerocytes

• Egg cells

Tags

NGSS.MS-LS1-3

What is mesohyl?

• A jelly-like substance that fills the sponge and holds spongin, spicules, and other cells

• A large central cavity in a sponge

• A body plan in sponges

• Short extensions from a choanocyte

What do sclerocytes do?

• They make spicules

• They carry nutrients

• They form a collar to trap food particles

• They create current in a sponge

Match the following descriptions with their corresponding parts of a sponge.

• Flagellum

• The large opening at the top of a sponge that lets wastewater out

• Ostia

• A whip-like tail that creates a water current

• Osculum

• Pores that let water enter the sponge

What is the function of spongocytes?

• They make spongin

• They carry nutrients

• They form a collar to trap food particles

• They anchor the sponge to a surface

Match the following sponge body plans with their descriptions.

• Ostia

• A large central cavity in a sponge

• Asconoid

• The most complex and common body plan in sponges

• Spongocoel

• The simplest body plan a sponge can have

• Leuconoid

• Pores that let water enter the sponge

What are spicules?

• Cells that make spongin

• Microscopic, glass-like structures in some sponges

• Pores that let water enter the sponge

• A whip-like tail that creates a water current