The peppered moths showed an example of ___________(type of natural) selection when their wings showed different colorations to match the trees in their habitat.
Fill in the blank(s) with the appropriate word(s).
directional
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The modern scientific field of evo-devo is based on observations that:
A. a relatively minor number of mutations leading to changes in regulatory patterns during development can fuel surprisingly rapid evolution. B. very complex organisms do not necessarily have more genes than simpler organisms. C. very different species have surprisingly similar types of genes. D. All of the choices reflect observations upon which evo-devo is based.
Mycobacterium leprae has a generation time of
A. 20 minutes. B. 1 hour. C. 6 hours. D. 12 days.
As the difference in reduction potential between a redox pair increases, the amount of free energy made available ________.
A. increases B. decreases C. remains the same D. cannot be determined
RNA directly involved in producing proteins are ribosomal RNA (rRNA), _______ RNA (mRNA), and ________ RNA (tRNA).
Fill in the blank(s) with the appropriate word(s).