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Unit 8 Vocab

Across
Inherited trait that is selected for over time in their environment
The elimination of a species from earth
Capable of being passed from one generation to the next through the genes
Process by which one species evolves and gives rise to many descendant species that occupy different ecological niches
Mechanism by which individuals that have inherited beneficial adaptations produce more offspring
Body part that is similar in structure on different organisms but performs different functions
Trace of an organism from the past
Differences in physical traits of an individual from the group to which it belongs
Processes that operated in the remote geological past are not different from those observed now
Process by which humans modify a species by breeding it for certain traits
The formation of new species as a result of geographic, physiological, anatomical, or behavioral factors that prevent previously interbreeding populations from breeding with each other
Down
Theory that states that speciation occurs suddenly and rapidly followed by long periods of little evolutionary change
Isolation between populations due to physical barriers
Body part that is similar in function as a body part of another organism but is structurally different
The doctrine that certain vast geological changes in the earth's history
Change in a species over time
All of the individuals of a species that live in the same area
Theory maintaining that species evolve slowly and continuously over long periods of geological time
Measure of an organism's ability to survive and produce offspring relative to other members of a population