Chapter 7 The Evolution of Living Things A
- Slides: 25
Chapter 7 The Evolution of Living Things
A hereditary characteristic that helps an organism survive and reproduce in its environment Click for Term
Adaptation A hereditary characteristic that helps an organism survive and reproduce in its environment Click for Term
The most specific of the seven levels of classification; characterized by a group of organisms that can mate with one another to produce fertile offspring Click for Term
Species The most specific of the seven levels of classification; characterized by a group of organisms that can mate with one another to produce fertile offspring Click for Term
The process by which populations accumulate inherited changes over time Click for Term
Evolution The process by which populations accumulate inherited changes over time Click for Term
The solidified remains or imprints of once-living organisms Click for Term
Fossil The solidified remains or imprints of once -living organisms Click for Term
A historical sequence of life indicated by fossils found in layers of the Earth’s crust Click for Term
Fossil record A historical sequence of life indicated by fossils found in layers of the Earth’s crust Click for Term
The remnant of a once-useful anatomical structure Click for Term
Vestigial Structure The remnant of a once-useful anatomical structure Click for Term
Distinguishing qualities that can be passed from one generation to another Click for Term
Trait Distinguishing qualities that can be passed from one generation to another Click for Term
Breeding of organisms that have a certain desired trait Click for Term
Selective breeding Breeding of organisms that have a certain desired trait Click for Term
The process by which organisms with favorable traits survive and reproduce at a higher rate than organisms without the favorable trait Click for Term
Natural Selection The process by which organisms with favorable traits survive and reproduce at a higher rate than organisms without the favorable trait Click for Term
A change in the order of the bases in an organism’s DNA; deletion, insertion or substitution Click for Term
Mutation A change in the order of the bases in an organism’s DNA; deletion, insertion or substitution Click for Term
The period between the birth of one generation and the birth of the next generation Click for Term
Generation Time The period between the birth of one generation and the birth of the next generation Click for Term
The process by which two populations of the same species become so different that they can no longer interbreed Click for Term
Speciation The process by which two populations of the same species become so different that they can no longer interbreed Click for Term