A naturalist whose work led to the theory of evolution
Hugo__resurrected Mendelian genetics; came up with "genes, genotypes, phenotypes"
__structures: common structures in organisms with a common ancestor
a change in allele frequency due to random events, usually within a small population (2 words)
Survival of the __: organisms' modifications helped them survive and produce
__ecology: study of the evolutionary basis for animal behavior due to ecological pressures.
Charles __ rejected the Bible and formulated uniformitarianism: "The present is the key to the past."
any biological difference, physical barrier , or behavior that prevents two different species from reproducing with each other
__structures: evolved independently
chemical signals given by organisms that either prevent or allow mating within like species
Natural __: Nature selects who survives-- those with increased fitness
__effect: large portion of population dies, smaller pop. has reduced alleles
__isolation: sexual maturity/mating doesn’t happen at the same time
Verticales
Inheritable traits that make organisms fit and thus more likely to survive and pass traits on to the next generation
__structures: no longer needed due to evolutionary changes
"Descent with __ : all living things come from common ancestors and change a little with each generation
Thought competition for resources would cause only the "fit" to survive
Comparative __: Similarities in development of embryo/fetus of different kinds of organisms are thought to be evidence for evolution
The __Islands were where Darwin collected and observed finches
__evolution: slow gradual change in
genetic material and proteins of organisms
__isolation: differing mating rituals prevent species from mating
__column:
__explosion: the appearance of all major phylla in the fossil record of this geologic period
a group of organisms that are structurally similar and can interbreed
Molecular __: a chart that shows the layers of the earth and their fossils in the order they were laid down
__of species is an idea based on Genesis 1
__isolation: members of the same species don’t live in the same area
__effect: reduced alleles due to separation of small part of population and establishment of a new population
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