Why Do Leaves Have Internal Air Spaces

question 38

Multiple Choice

Why do leaves have internal air spaces?

• A)to allow all the mesophyll cells to evaporate water and thus pull nutrients to them via an evaporatively driven flow
• B)because CO₂ diffusion is 10,000 times faster in air than in water
• C)to make leaves lighter and less dense
• D)because O₂ diffusion is 10,000 times faster in air than in water

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Definitions:

1840

Signifies the year, which in historical context, could be related to specific events, developments, or figures significant to that time.

Colonization

The process by which a country takes control over foreign territories to exploit them economically, often involving the settlement of its own population in the new territory.

Freed Slaves

Individuals who were released from the condition of slavery, gaining personal liberty and rights.

Liberia

A country on the West African coast established by the American Colonization Society as a colony for former African American slaves and their free black counterparts.