Zoology Notes: 003 Unit I

Unit 1 The first chapter of Unit 1, the introduction, discusses the definition of zoology. It explains the scientific method, a method scientists use to get to the bottom of things. It shows a brief history of zoological life. It also discusses characteristics that living things have in common. It then differentiates animals from other living things and compares animals to plants. Chapter 1 also includes discussions on the importance of studying zoology, as well as some of the different branches that fall under this scope of study. Finally, it mentions important scientists whose contributions make up the basis of what we know about animals today. Chapter 2 deals with the chemical make-up of organisms. It starts with subatomic particles then discusses different types of atoms. It also includes discussion in bonds formed between atoms and molecules and compounds formed by these bonds. Finally, it discusses the four major types of organic compounds: carbohydrates, proteins, fats, and nucleic acids. Chapter 3 is concerned with the cell and structures that are commonly seen in them. It also discusses the ways the cell divides to produce daughter cells with either a diploid or haploid number of chromosomes and their significance. The last chapter of Unit 1, Chapter 4, deals with the major types of tissues formed by cells: epithelial, connective, muscular, and nervous. It also discusses where some of these tissues may be found.

1