<span>In a balanced ecosystem, the number of secondary consumers must be fewer than the number of primary consumers.
In a balanced ecosystem, the number of producers is ALWAYS the largest. As the trophic levels increase, the number of organism decrease, so primary consumers are less than producers, secondary consumers are less than primary consumers, and so on.</span>
Answer;
The mouth
For ingested foods, the first opportunity for enzymatic digestion occurs in the mouth.
Explanation;
The digestion of food starts in the mouth.
There is both mechanical and enzymatic digestion of food in the mouth. Mechanical digestion involves the mechanical break down of food using teeth to smaller particles thus increasing the surface are for the activity by enzymes.
Enzymatic digestion in the mouth involves enzyme salivary amylase which acts on starch to form maltose.
