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Horse ancestors had a smaller body and shorter legs. What evidence might scientist have used to come to that conclusion that horses have changed over time.
survive and reproduce
vestigial structure
more offspring than can survive
natural selection
comparative anatomy
Charles Darwin
bacteria evolve resistance to the drugs
the ones that are next to each other
When one organism is better adapted to its environment than another, it is more likely to survive and reproduce. What is this idea called?
survive and reproduce
vestigial structure
more offspring than can survive
natural selection
comparative anatomy
Charles Darwin
bacteria evolve resistance to the drugs
the ones that are next to each other
What do you call a structure that serves no apparent useful function?
survive and reproduce
vestigial structure
more offspring than can survive
natural selection
comparative anatomy
Charles Darwin
bacteria evolve resistance to the drugs
the ones that are next to each other
An adaptation is a trait that helps an organism…
survive and reproduce
vestigial structure
more offspring than can survive
natural selection
comparative anatomy
Charles Darwin
bacteria evolve resistance to the drugs
the ones that are next to each other
According to an evolutionary tree, which organisms share the most recent common ancestry?
survive and reproduce
vestigial structure
more offspring than can survive
natural selection
comparative anatomy
Charles Darwin
bacteria evolve resistance to the drugs
the ones that are next to each other
Certain antibiotics become useless over time because
survive and reproduce
vestigial structure
more offspring than can survive
natural selection
comparative anatomy
Charles Darwin
bacteria evolve resistance to the drugs
the ones that are next to each other
The scientist who published the booh Origin of Species and proposed the theory of natural selection was
survive and reproduce
vestigial structure
more offspring than can survive
natural selection
comparative anatomy
Charles Darwin
bacteria evolve resistance to the drugs
the ones that are next to each other
According to Darwin's view of natural selection, overproduction means producing
survive and reproduce
vestigial structure
more offspring than can survive
natural selection
comparative anatomy
Charles Darwin
bacteria evolve resistance to the drugs
the ones that are next to each other
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