Which Statement About Sponges Is NOT Correct

question 60

Multiple Choice

Which statement about sponges is NOT correct?

• A)The larval form is flagellated and able to swim to a suitable location.
• B)Sponges are classified on the basis of their type of skeletal material.
• C)Sponges resemble a colony of flagellated cells more than a multicellular animal.
• D)Sponges are thought to be at the base of the evolutionary tree,leading to more complex animals such as corals and worms.
• E)Sponges can reproduce sexually or asexually.

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Definitions:

Fenestrae

Small openings or pores, often found in the capillary endothelial cells, which allow for the exchange of substances between blood vessels and tissues.

Filtration Membrane

a physical barrier through which substances are separated based on size or charge during the filtration process, often found in the kidneys.

Podocytes

Specialized cells in the kidneys that form part of the filtration barrier, helping to filter blood and form urine.

Capillary Endothelium

The thin layer of endothelial cells that line the interior surface of capillaries, facilitating the exchange of gases, nutrients, and wastes between the blood and tissue cells.