Which of the Following Animals Do NOT Have Tissues

question 20

Multiple Choice

Which of the following animals do NOT have tissues?

• A) sponges
• B) annelids
• C) roundworms
• D) cnidarians
• E) more than one of these animals does not have tissues

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Definitions:

Foramen Lacerum

A triangular opening located at the base of the skull, filled with cartilage, through which certain arteries and nerves pass.

Ethmoid Bone

A spongy bone located between the eyes that forms part of the nasal cavity and the orbits of the eyes.

Crista Galli

A vertical projection of the ethmoid bone in the skull, serving as an attachment point for the dura mater, the outermost membrane covering the brain.

Cribiform Plate

A part of the ethmoid bone in the skull with many small holes through which olfactory nerve fibers pass from the nasal cavity to the brain.