A superlative compares something to everything else. For example: This book is the best book there is. Here the superlative is "the best" which compares "this book" to all the other books that exist. Of course, you can narrow that and say something like: I'm the tallest person in my class. Now you're only talking about the people in your class and not everyone who exists. But, you're still doing the comparison against all the people/things in the set boundaries.
Zoologist study animals and other wildlife and how they interact with their ecosystem
I would go with the author points out that the eyes reveal the essential characteristics of a person.
Yes u need to start with a topic or title accordingly to ur topic , you’ll need to start with ur thesis statement includes 3 point . Therefore, each point will create a paragraph and each paragraph has 6 to 8 sentences . Your last paragraph will be 5 to 8 sentences conclusion it’s included each point of ur thesis statement proves , and last sentence will be the thesis statement by its self .