Evolution Crossword Puzzle

This printable crossword puzzle on the topic of Ecology & Evolution has 20 clues. Answers range from 7 to 21 letters long. This crossword is also available to download as a Microsoft Word document or a PDF.

Description

change in the gene pool of a population from generation to generation
survival of the fittest= process by which forms of life having traits that better enable them to adapt to specific environmental pressures
process in the breeding of animals and in the cultivation of plants by which the breeder chooses to perpetuate only those forms having certain desirable inheritable characteristics.
adjustment= the act of adapting
term used by paleontologists to refer to the total number of fossils that have been discovered, as well as to the information derived from them
the ability of a population to maintain or increase its numbers in succeeding generations
diversification of an ancestral group of organisms into a variety of related forms specialized to fit different environments or ways of life
appearance of apparently similar structures in organisms of different lines of descent
random changes in the frequency of alleles in a gene pool, usually of small populations
the conditions, as physiological or behavioral differences or geographical barriers, that prevent potentially interbreeding populations from cross-fertilization
separation of two populations of the same species or breeding group by a physical barrier
close external resemblance of an organism
concealment by some means that alters or obscures the appearance
structures of different species having similar or corresponding function but not from the same evolutionary origin
genetically determined structures or attributes that have apparently lost most or all of its ancestral function in a given species
parts of the body that are similar in structure to other species' comparative parts
came up with the Theory of Evolution through Natural Selection
one of the first scientists to publish the idea that adaptation occurred in species to help them better survive in the environment
Essay on the Principle of Population=hypothesized that populations would grow in areas with plenty of resources until those resources were strained to the point that some of the population would have to die
described Earth as a living organism, inspired Darwin

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