The answer is B <span>that bony fish evolved before land plants </span>
If they live in a river, they would most likely need fins (to swim) and gills (to breathe under water)
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The two substances needed in this situation are:
potato extract and catechol<span />
In order for natural selection to take place we must have "variety in a population". This variety of traits is what allows natural selection to "pick" the most favorable traits.
Answer:
The key function of the mitochondria is to supply energy by the mechanism of aerobic respiration for cellular activity. Glucose is converted in the cytoplasm of the cell in this step to form pyruvic acid, which is transferred into the mitochondrion.
Explanation:
Like other organelles, by means of organelle-specific adaptors, mitochondria are linked to specific motor isoforms and their movement is vulnerable to degradation of these motors and adaptor proteins.