Which of the Following Increases the Surface Area Available for Gas

question 23

Multiple Choice

Which of the following increases the surface area available for gas exchange among various organisms?

• A)finely divided inner lung surface in mammals
• B)tubular body shape,as in annelids
• C)finely divided gills in fish
• D)flattened body,as in planarians
• E)All of these choices increase surface area.

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Definitions:

Sleeping Clusters

Groups in which animals sleep closely together for warmth, protection, or social bonding.

Predator

An organism that survives by hunting and consuming other organisms for food, often influencing the structure of ecosystems.

Males

The male sex of a species, characterized by traits, reproductive roles, and secondary sexual characteristics that differ from the female sex.

Selfish Herd Hypothesis

A theory suggesting that individuals can reduce their predation risk by positioning themselves within a group, thus exploiting the protection offered by the collective.