Spring Ephemerals Differ from Early Summer Species in That Spring

question 68

Multiple Choice

Spring ephemerals differ from early summer species in that spring ephemerals:

• A)have broader, thinner leaves.
• B)have smaller storage organs.
• C)complete their photosynthetic activity earlier.
• D)are herbaceous.
• E)are leafless in winter.

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Definitions:

Heritable Variation

Differences in genetic information that are passed from parents to offspring through reproduction, contributing to genetic diversity within a population.

Allopatric Speciation

Model that proposes that new species arise due to an interruption of gene flow between populations that are separated geographically.

Geographic Separation

The physical separation of populations by geographic barriers that lead to the formation of distinct species over time.

Reproductive Isolation

A set of mechanisms that prevent different species from mating or ensure that any offspring produced are sterile.