In your cells blood picks up carbon dioxide and releases oxygen. ... They produce oxygen during a process called photosynthesis. During photosynthesis green plants manufacture the sugar molecules fructose and glucose. Green plants use energy from sunlight to build sugar molecules from carbon dioxide and water.
Answer:
The answer is A, It is an acute effect of a toxin in the lake
Explanation:
In biology, a producer is something that MAKES food. Plants are producers. Then there are consumers, which eat producers (most animals are consumers). <span>Finally, there are decomposers, which break down producers and consumers into nutrients which producers can use to start the cycle over.
Hope that helped =)</span>
