Welcome great EduPodian, here is your Second Term SS2 Biology Lesson Note excerpt.
Scheme of Work
1. Tissue and Supporting System
2. Tissue and Supporting System (cont’d)
3. Mammalian Teeth
4. Digestive System
5. Digestive System (cont’d)
6. Transport System
7. Circulatory System
8. Transport System in Higher Plants
9. Respiratory System
10. Respiratory System (cont’d)
REFERENCES
• Modern Biology for Senior Secondary Schools by S.T. Ramalingam
• Essential Biology by M.C Michael
• New School Biology by H. Stone and Cozen
• SSCE Past Questions and Answers
• New System Biology by Lam and Kwan
• College Biology by IdodoUmeh
• UTME and Cambridge Past Questions and Answers
• Biology Practical Textbook
Week 1:
TISSUE AND SUPPORTING SYSTEM
Contents
• Introduction
• Forms of Skeleton
• Types of Skeleton
• Functions of Skeleton
• Support in Vertebrates
• Axial and Appendicular Skeleton
• Supporting Tissues in Plants
INTRODUCTION
To carry out life processes, all organisms (plants and animals) need tissues. Tissues are group of similar cells that carry out specific functions. Skeleton is the framework of the body which provides support, shape and protection to the soft tissues and organs in animals. It forms the central core of human body and it is covered by muscles and blood vessels and skin.
FORMS OF SKELETAL MATERIALS
There are… Click here to order the complete Biology Lesson Note for SS2 second term
Week 2:
TYPES OF SKELETON
The three main types of skeleton in animals are
1. Hydrostatic skeleton: Thisis the type present in soft bodied animals e.g. earthworm, sea anemones etc. Such animal use pressure to support itself. They also have a muscular body wall which is filled with fluid. The fluid presses against the muscular wall causing them to contract and exerting force against the fluid.
2. Exoskeleton: This… Click here to order the complete second term Biology Lesson Note for SS2
Week 3:
MAMMALIAN TEETH
CONTENT
• Types of teeth
• Structure of a tooth
• Dentition and dental formula
• Adaptation of dentition to mode of feeding
TYPES OF TEETH
Human beings have two sets of teeth in their lifetime. The first set is called the milk teeth that grow when the child is few months old. They are about twenty (20) in numbers. These include only three types of teeth i.e. Incisors, canine and premolars. They later fall off to be replaced by the second set of teeth that consists of thirty-two permanent teeth. These are found in adult mammals. They are usually of four types: Incisors, canine, premolars and molars. These permanent teeth remain till old age.
The teeth in mammals are of four major types:
Incisors: Flat, chisel-shaped with a sharp edge. They are used for biting food, cutting and holding onto a prey to prevent its escape.
Canine: similar to the incisors. They are sharp and pointed at the tips. They are… Click here to order the complete Lesson Note on Biology SS2 second term
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