The answer is concentration gradient. Have a good day.
Answer:
substantive genes
Explanation:
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The correct answer is B. Pinna because auris externa is the external portion of the ear, which is called auricle ( also known as pinna ).
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All the trophic levels are there, Number ten is asking you to find a chain that includes 7 organisms. Starting from:
Phytoplankton (Producer)
Herbivorous Zooplankton (Primary Consumer)
Carnivorous Zooplankton (Primary Con.)
Artic Char (secondary Con.)
Capelin (tertiary Con.)
Harbor Seal (Quaternary Con.)
Polar Bear(Quaternary Con.)