The idea that species evolve at a slow regular rate
Evolution that occurs on the scale of a population
A structure resulting from natural selection that gives an organism an evolutionary advantage
Type of evolution that results in analogous structures. Species have evolved similarly, but are not necessarily related.
The idea that evolution can occur rapidly, often as a result of a catastrophic event
Pressure on a population is exerted in one direction, so that the population evolves to be more red, or faster, or more tolerant of cold, etc.
The geographic distribution of species
Evolution requires changes in gene ____over time as a result of mutations or selective pressures
Half a billion years ago eruption of all major phyla, according to the fossil record
Overlapping reproductive zone between two related species. Offspring usually have limited reproductive capability.
Structure which no longer serves a function but is a remnant of earlier use. Example human appendix.
The study of fossils
All the genes and their different alleles present in a population
Verticales
Pressure is exerted on a population where extremes are favored. Specaition can result from this pressure.
Specaition caused by geographic barriers such as a river or mountains. From the German "different father"
Rocks off the coast of Western Australia that contain evidence of first bacterial life.
Type of selection of a population where the status quo is maintained. Extremes on each end of the spectrum have low survival rates.
The primordial super-continent. Fossils link ancient georgraphic borders
Unpredictable fluctuations in allele frequencies from generation to generation. Magnified in small populations.
Speciation caused by temporal, behavioral or geographic barriers
Speciation caused by either behavioral or temporal differences. From the German "same father"
Condition present in some organisms where each cell contains multiple copies of chromosomes. For example, strawberries are octaploid.
First part of standard binomial nomenclature
Group of organisms from one species that live in a specific habitat and interbreed
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It prints on two pages.
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