Examlex
Match the following terms to the definition with which they best correspond.
-joins the base-paired DNA fragments to produce molecules of recombinant DNA.
A)single-nucleotide polymorphism
B)cloning vector
C)DNA ligase
D)probe
E)genome
Mesozoic Era
Span of geologic time commonly known as the Age of Reptiles; divided into Triassic (252–201 mya), Jurassic (201–145 mya), and Cretaceous (145–66 mya) periods; ended with the mass extinction of the dinosaurs and many other species.
Dominant Life Form
The prevailing organisms in a particular ecosystem, characterized by their extensive presence and influence on that environment.
Reptiles
Vertebrates characterized by dry skin with horny scales and adaptations for terrestrial reproduction; include turtles, snakes, and alligators; reptiles are a paraphyletic group unless birds are included.
Eons
The largest division of geological time, comprising multiple eras, and spanning hundreds of millions to billions of years, marking significant changes in the Earth's geology and biological history.
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