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Biology Evolution Vocabulary
Terms in this set (33)
the action or process of adapting or being adapted.
Structures of different species having similar function but not from the same evolutionary origin
the branch of science concerned with the bodily structure of humans and other living organisms
the branch of science concerned with the chemical and physicochemical processes that occur within living organisms.
the influence of closely associated species on each other in their evolution.
the process whereby organisms not closely related (not monophyletic), independently evolve similar traits as a result of having to adapt to similar environments or ecological niches
Descent with modification
refers to the passing on of traits from parent organisms to their offspring and the changes that occur
process by which a species evolves into two or more different species.
the branch of biology and medicine concerned with the study of embryos and their development.
Process of an organisms no longer existing.
the condition of being physically fit and healthy.
the remains or impression of a prehistoric organism preserved in petrified form or as a mold or cast in rock.
the alteration of the frequencies of alleles of particular genes in a population
the stock of different genes in an interbreeding population.
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.
species evolve slowly and continuously over long periods of geological time.
model, theorem, or law, states that allele and genotype frequencies in a population will remain constant from generation to generation in the absence of other evolutionary influences.
an organ or bone that appears in different animals, underlining anatomical commonalities demonstrating descent from a common ancestor.
major evolutionary transition from one type of organism to another occurring at the level of the species and higher taxa. Large Scale.
evolutionary change within a species or small group of organisms, especially over a short period
caused by a change in a gene or a chromosome.
the process whereby organisms better adapted to their environment tend to survive and produce more offspring. Developed by Charles Darwin and is now believed to be the main process that brings about evolution.
individuals are just as likely to mate with distant relatives as with close relatives
Overproduction of offspring
Producing an abundance of offspring in hopes that survive.
the branch of science concerned with fossil animals and plants.
the evolutionary history of a kind of organism
evolutionary development is marked by isolated episodes of rapid speciation between long periods of little or no change.
the formation of new and distinct species in the course of evolution.
a group of living organisms consisting of similar individuals capable of exchanging genes or interbreeding.
Survival of the fittest
concept, inspired by the principle of natural selection, stating that those who are eliminated in the struggle for existence are the unfit.
fossils or organisms that show the intermediate states
a different or distinct form or version of something.
an organ or part of the body that has become functionless in the course of evolution
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