The idea that species can remain unchanged for millions of years and then rapidly evolve within a short time is
A. adaptive radiation.
B. convergent evolution.
C. punctuated equilibrium.
D. gradualism.
C. punctuated equilibrium.
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The types of bonds found in nucleic acids are:
A. phosphodiester bonds. B. peptide bonds. C. ionic bonds. D. non-polar covalent bonds.
The absorption and re-radiation of longwave radiation by gases in the atmosphere is called the ________
Fill in the blank(s) with correct word
The first step in urine formation is ____________________, which takes places across glomerular capillaries. Fill in the blank(s) with the appropriate word(s)
Energy gathering or concentrating mechanisms that allow light to be collected more efficiently during photosynthesis are called
A. mitochondria. B. photosystems. C. light-independent reactions. D. ribulose.