Biology is a science that studies organisms, including human beings, their reproduction, and their evolution. It is one of the oldest sciences and has been studied for thousands of years. 

Biology has been divided into many topics, which are studied by biologists. Some of the important topics include:

Plants: The study of plants includes all plants, from the smallest mosses to the towering giants.

Animals: Animals are a very diverse group of organisms. 

In this app, you will find the answers to the questions from Chapter 11 of the Biology textbook. You can also find the answers to the questions from the previous chapters.