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In natural selection, what does the selecting?
analogous
environmental changes
True
Mitochondria and chloroplasts contain their own circular DNA.
False
False
genetic variation
False
Biochemical traits helped Darwin come up with the theory of evolution.
analogous
environmental changes
True
Mitochondria and chloroplasts contain their own circular DNA.
False
False
genetic variation
False
Superficially similar features molded by natural selection in very different species are classified as what kind of structures?
analogous
environmental changes
True
Mitochondria and chloroplasts contain their own circular DNA.
False
False
genetic variation
False
Homologous structures indicate a shared ancestry, while vestigial structures do not.
analogous
environmental changes
True
Mitochondria and chloroplasts contain their own circular DNA.
False
False
genetic variation
False
A month is the amount of time required for half of a sample of parent isotopes to decay, forming stable elements.
analogous
environmental changes
True
Mitochondria and chloroplasts contain their own circular DNA.
False
False
genetic variation
False
True or False? The endosymbiont theory is an explanation of the origin and evolution of eukaryotes.
analogous
environmental changes
True
Mitochondria and chloroplasts contain their own circular DNA.
False
False
genetic variation
False
What condition absolutely must be present in a population before evolution can act upon it?
analogous
environmental changes
True
Mitochondria and chloroplasts contain their own circular DNA.
False
False
genetic variation
False
Which of these is evidence for the endosymbiotic theory?
analogous
environmental changes
True
Mitochondria and chloroplasts contain their own circular DNA.
False
False
genetic variation
False
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