Zoology Lesson 8 Part 2

type of cell that forms the outer covering of the sponge

• PINACOCYTE

• CHOANOCYTE

• AMOEBOCYTE

• SCLEROCYTE

fibrous skeleton in sponges is made up of...

• SPONGIN

• CALCIUM CARBONATE

• SILICA

• CELLULOSE

type of cell that build spicules by secreting silica spicules

• SCLEROCYTES

• CHONDROCYTES

• OSTEOCYTES

• ADIPOCYTES

Porifera literally means...

• PORE-BEARING

• WATER-BEARING

• SPONGE-LIKE

• FILTER-FEEDING

sponges are supported by a skeleton of tiny needlelike structures called ______.

• SPICULES

• FIBRILS

• CILIA

• PSEUDOPODS

type of cell that is considered the sponges’ delivery system

• AMOEBOCYTES

• NEURONS

• EPITHELIAL CELLS

• FIBROBLASTS

In sponges, water flows in through incurrent pores called...

• DERMAL OSTIA

• SPONGEPORES

• OSTIA

• INCURRENT CANALS

type of cell that secretes collagen

• Fibroblasts

• Chondrocytes

• Lophocytes

• Osteocytes

rigid skeleton in sponges is primarily made of...

• SPICULES

• CALCIUM CARBONATE

• SILICA

• CELLULOSE

generate a water current through the sponge and ingest suspended food

• CHOANOCYTES

• SPICULES

• MESOHYL

• PINACOCYTES