it’s a crossword puzzle from biology, Study notes of Biology

Download it’s a crossword puzzle from biology and more Study notes Biology in PDF only on Docsity! Principles of Evolution 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 www.CrosswordWeaver.com ACROSS 5 condition where a gain or loss of chromosomes gives a complement which is less or more than 2n 6 Independently arrived at the same theory of evolution as Darwin. 7 Darwin's idea that the struggle for survival was based on nature permitting only the most fit organisms to breed(two words) 11 hybrid polyploid individuals 13 wrote "Principles of Geology" 17 breeding condition required for Hardy-Weinberg equilibrium 18 the generation of new species from preexisting ones 23 the most important requirement for a population to be considered a species(two words) DOWN 1 Georges Cuvier-father of ____ 2 an example of hybrid sterility 3 credited with proposing the theory of evolution in 1859 (two words) 4 the transfer of genes from one population's gene pool to that of another 8 remains or imprints of early life-forms preserved in rock 9 species occupying the same range 10 reproductive isolation which inhibit mating and egg fertilization 12 kind of selection that occurs when the environment is relatively constant for a long period of time 14 spontaneous changes in genes or chromosomes 15 reproductive isolation which negatively affect the viability and fertilization of hybrids 16 variations that are beneficial to organisms in certain environments, contributing to their survival 19 species development through hereditary transmission of small variations from generation to generation 20 In Lamarck's theory of evolution, change was based on the inheritance of________characteristics 21 theorized on the the principle of use and disuse 22 the situation in which complete sets of chromosomes are gained or lost, giving a chromosome number that is a multiple of n other than 2.