GED Science Practice

What does the term "deciduous" refer to?

1. a. Trees and shrubs that shed their leaves

2. b. Loss of water

3. c. Rapid inward circulation of air masses

4. d. A type of cell

The correct answer is: a. Trees and shrubs that shed their leaves

The term "deciduous" specifically refers to trees and shrubs that shed their leaves annually, especially in response to seasonal changes. This characteristic is particularly observable in regions with distinct seasonal climates, where these plants will lose their leaves in the fall to conserve water and energy during the colder months when photosynthesis is less efficient. This adaptation allows them to survive adverse environmental conditions and efficiently regrow their foliage when favorable conditions return. In contrast, the other options refer to different concepts. The loss of water pertains to processes like transpiration or evaporation, which is unrelated to the definition of "deciduous." The rapid inward circulation of air masses typically describes weather phenomena, such as cyclones or fronts, rather than plant classifications. Lastly, the mention of a type of cell does not connect with the idea of deciduous plants, as the term does not refer to cellular biology.