The Priority Effect Occurs When

question 10

Multiple Choice

The priority effect occurs when

• A) the first species to arrive at a site have a greater probability of becoming established than subsequent species.
• B) the first species to arrive at a site have a lower probability of becoming established than subsequent species.
• C) the arrival of one species at a site affects the subsequent colonization of other species.
• D) the arrival of one species at a site improves conditions so there is an increased probability of subsequent species becoming established.

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Definitions:

Independent Assortment

A basic principle of genetics developed by Mendel stating that genes for different traits are sorted separately from one another so the inheritance of one trait is not dependent on the inheritance of another.

Crossing Over

Process by which homologous chromosomes exchange corresponding segments of DNA during prophase I of meiosis.

Sexual Selection

A mode of natural selection where individuals with certain inherited traits are more likely to find a mate and reproduce, often leading to the evolution of traits that enhance mating success.

Attractive Mate

An individual selected based on traits perceived as desirable, enhancing reproductive success in natural and sexual selection.