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Evolution

Evolution
Across
seasonal movement of animals from one region to another.
is an adaptation that allows animals to blend in with certain aspects of their environment.
The breeding of plants and animals to produce desirable traits. Organisms with the desired traits, such as size or taste, are artificially mated or cross-pollinated with organisms with similar desired traits.
the process by which different kinds of living organisms are thought to have developed and diversified from earlier forms during the history of the earth.
a change or the process of change by which an organism or species becomes better suited to its environment.
variation in the relative frequency of different genotypes in a small population, owing to the chance disappearance of particular genes as individuals die or do not reproduce.
is the idea that those organisms best adapted to a given environment will be most likely to survive to reproductive age and have offspring of their own.
are physical features of an organism like the bill on a bird or the fur on a bear.
a naturalist, developing a theory of evolution to explain biological change.
are similar structures that evolved independently in two living organisms to serve the same purpose.
is an anatomical feature or behavior that no longer seems to have a purpose in the current form of an organism of the given species.
process that results in the adaptation of an organism to its environment by means of selectively reproducing changes in its genotype, or genetic constitution.
Down
occurs when a DNA gene is damaged or changed in such a way as to alter the genetic message carried by that gene.
are internal systematic responses to external stimuli in order to help an organism maintain homeostasis.
the ability to survive to reproductive age, find a mate, and produce offspring.
occurs when one animal displays physical or behavioral traits that copy those of a different species or their surroundings, and incur a survival advantage on account of it.
french naturalist and soldier. Chief founder of the field of invertebrate paleontology.
is an example of an organ or bone that appears in different animals, underlining anatomical commonalities demonstrating descent from a common ancestor.