Evolution: Diversity And Unity Question Preview (ID: 29052)
Fundamental Concepts Related To Evolution.
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Paleontologists study the _________, which includes the fossils of organisms that lived in the past, to learn about how organisms have changed over time.
a) pepper moths
b) pepper moths
c) dinosaurs
d) the fossil record
Measuring the body parts of different lizards to determine evolutionary relationships is an example of…
a) DNA comparisons
b) the fossil record
c) embryology
d) comparative anatomy
Scientists can better understand evolutionary relationships by comparing __________, which are unborn, developing organisms.
a) variation
b) pepper moths
c) embryos
d) comparative anatomy
In natural selection, __________ relates the fact that in nature, more organisms are born than are likely to survive.
a) environmental factors
b) selection
c) variation
d) overproduction
In natural selection, __________ describes differences that exist between members of the same species.
a) environmental factors
b) selection
c) variation
d) overproduction
In natural selection, __________ determine what resources members of the same species must compete for.
a) environmental factors
b) survival and reproduction
c) variation
d) overproduction
In natural selection, __________ are an organism’s ultimate goal, resulting in the continuation of that organism’s genes into future generation(s).
a) environmental factors
b) survival and reproduction
c) variation
d) overproduction
Humans have shaped the evolution of racehorses and dogs through selective breeding. These are examples of _________.
a) comparative anatomy
b) adaptations
c) artificial selection
d) natural selection
___________ are changes resulting that enhance an organism’s the ability to survive or reproduce.
a) natural selection
b) artificial selection
c) adaptations
d) comparative anatomy
Biological _________ is how one organism changes over its lifetime .
a) variation
b) development
c) evolution
d) selection
________ is how species gradually change over long periods of time.
a) overproduction
b) variation
c) development
d) evolution
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