Answer:
Certain photosynthetic members of the Kingdom Protista have developed a specialized structure to help them detect light. The name of this structure is eyespot
Explanation:
In euglena, which is an example of protista uses the eyespot to detect light. Members of this group possess both plant and animal characteristics
Pepsin is an Enzyme that is found in the stomach to break down protein.The Pepsin breaks the protein down into smaller peptides at low pH vale.
There is also one within the small intestine called Chymotrypsin and also the Carboxypeptidase.
Hope this helps and if you are still unsure read up on these to help you.
Answer:
Avoid technical jargon as much as possible and use interesting metaphors or stories