Jellyfish Quiz

What percentage of a jellyfish's body is solid matter?

• 10%

• 5%

• 20%

• 15%

What is the middle layer of a jellyfish called?

• Epidermis

• Gastrodermis

• Mesoglea

• Mesoderm

Which phylum do jellyfish belong to?

• Mollusca

• Echinodermata

• Arthropoda

• Cnidaria

What type of symmetry do jellyfish exhibit?

• Bilateral symmetry

• Radial symmetry

• Spherical symmetry

• Asymmetry

What allows jellyfish to detect light and respond to stimuli?

• Nerve net

• Blood

• Heart

• Brain

What is the function of the simple digestive cavity in a jellyfish?

• Acts as a brain

• Acts as a heart

• Acts as a lung

• Acts as both stomach and intestine

What is the outer layer of a jellyfish called?

• Mesoglea

• Gastrodermis

• Epidermis

• Endodermis

What percentage of a jellyfish's body is water?

• 85%

• 90%

• 95%

• 100%

What is a common result of a jellyfish sting in humans?

• Severe pain

• Minor discomfort

• Paralysis

• No effect

Which of the following is NOT a characteristic of jellyfish?

• Having radial symmetry

• Having tentacles

• Having a brain

• Having a nerve net