The Following Question Refers to the Generalized Life Cycle for Plants

question 1

Multiple Choice

The following question refers to the generalized life cycle for plants shown in the figure. Each number within a circle or square represents a specific plant or plant part, and each number over an arrow represents meiosis, mitosis, or fertilization. In the figure, which number represents the mature gametophyte?

• A) 1
• B) 3
• C) 7
• D) 11

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Definitions:

Lake Zone

An area or region surrounding or within a lake, characterized by distinct ecological and environmental attributes.

Benthic Zone

refers to the ecological region at the lowest level of a body of water such as an ocean, lake, or stream, including the sediment surface and some sub-surface layers.

Littoral Zone

The littoral zone is the area of a lake or ocean shore that is close to the shore, often characterized by shallow waters, where sunlight reaches the bottom allowing aquatic plants to grow.

Limnetic Zone

The open water area of a freshwater body, such as a lake, where sunlight penetrates deeply enough for photosynthesis to occur.