Ecological Diversity Flashcards

Determined by richness and evenness.

A measurement of the differences in DNA composition among individuals within a given species.

Variety of habitats, living communities, and ecological processes in the living world.

<p>Biological and chemical processes or functions needed for the survival of species and communities.</p> Signup and view all the answers

<p>Any genetic change in a population that is inherited over several generations.</p> Signup and view all the answers

<p>A process where individuals with certain inherited traits tend to survive and reproduce more successfully.</p> Signup and view all the answers

<p>Remains of an ancient organism.</p> Signup and view all the answers

<p>Random errors in gene replication leading to changes in nucleotide sequences.</p> Signup and view all the answers

<p>Individuals with adaptive genetic traits produce more living offspring.</p> Signup and view all the answers

<p>A characteristic that improves an individual's ability to survive and reproduce.</p> Signup and view all the answers

<p>Species that play a major role in shaping a community by creating and enhancing a habitat.</p> Signup and view all the answers

<p>Species naturally becoming extinct.</p> Signup and view all the answers

<p>An event during which many species become extinct in a short period.</p> Signup and view all the answers

<p>How many different species are present.</p> Signup and view all the answers

<p>A specific role of a species within an ecosystem, including its use of resources.</p> Signup and view all the answers

<p>How many individuals are present within a species.</p> Signup and view all the answers

<p>Species that can live in many different types of ecosystems and have a broad niche.</p> Signup and view all the answers

<p>Species that can only survive in a specific ecosystem.</p> Signup and view all the answers

<p>Two new species result from one species.</p> Signup and view all the answers

<p>Species that serve as early warnings that an ecosystem is being damaged.</p> Signup and view all the answers

<p>Species whose day-to-day activities provide opportunities and resources for other species.</p> Signup and view all the answers

<p>A species found in its originating location, generally restricted to that area.</p> Signup and view all the answers

<p>The disappearance of all members of a species from Earth.</p> Signup and view all the answers

<p>A form of reproductive isolation where populations are separated by geographic barriers.</p> Signup and view all the answers

<p>Separation of species or populations so they cannot interbreed.</p> Signup and view all the answers

<p>The amount of biological or living diversity per unit area.</p> Signup and view all the answers