Answer: the first answer is correct.
Explanation:
Algae and Cyanobacteria could mean life is flourishing and is a good food source for some fish in moderation- but if there's a lot of fertilizer runoff, they can grow too quickly and be counterproductive for the environment
B. They make their own food, Position 1 because all of those animals would have jaws. B. Cellular Respiration, A. They belong to the same kingdom but different phyla.
<h2><em>In general, a scientific law is the description of an observed phenomenon. It doesn't explain why the phenomenon exists or what causes it. The explanation of a phenomenon is called a scientific theory. It is a misconception that theories turn into laws with enough research</em></h2>
