2026 ch 33 Modern Biology Porifera, Cnidarians & Ctenophores

What type of symmetry do sponges (Porifera) have?

• asymmetrical
• radial
• bilateral 
• medial

The squishy elastic fibrous protein found in sponges is called .....

• mesohyl

• spicules

• spongin

• tissue

Organisms that spend their adult lives attached to one spot are referred to as 

• heterotrophs
• flagellated
• sessile
• symmetric

Which Phylum does this animal belong?

• Phylum Porifera
• Phylum Cnidaria

Tags

NGSS.MS-LS4-2

What type of reproduction is this showing with identical animal growing out of body?

• Asexual

• sexual

Tags

NGSS.MS-LS3-2

What type of reproduction is this showing with identical animal growing out of body?

• budding

• zygote

• gamete

Tags

NGSS.MS-LS3-2

What type of symmetry do cnidarians have

• asymmetrical
• bilateral
• radial

Choanocytes are also known as _____.

• epithelial cells
• amoeboid cells
• collar cells
• pore cells

Which blob like cells in sponges are responsible for all nutrient transport and transporting a sperm to an egg?

• porocytes

• pinacocytes

• choanocytes

• amoebocytes

Tags

NGSS.MS-LS1-3

Which of the following structures is not found in sponges?

• Choanocytes
• Tissues
• Pinacocytes
• Mesohyl