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BIOLOGY LESSON NOTE FOR SECOND TERM SS2
This Lesson Note on Biology for SS2 second term covers weekly prepared lesson notes and each of them is rich in classwork, curriculum compliant, and syllabus based.
The lesson note is well-detailed with adequate evaluation to ensure that the learning objectives are achieved.
The scheme of work used in preparing the lesson note is based on the latest unified NERDC/UBE curriculum which is suitable for all schools in all the States in Nigeria.
Keep reading, you will find the Link to Download the complete lesson note in Ms-Word (Microsoft Word) Editable format below.
Biology Scheme of Work for SS2 Second Term
WEEK 1: Tissue and Supporting System
WEEK 2: Tissue and Supporting System (cont’d)
WEEK 3: Mammalian Teeth
WEEK 4: Digestive System
WEEK 5: Digestive System (cont’d)
WEEK 6: Transport System
WEEK 7: Circulatory System
WEEK 8: Transport System in Higher Plants
WEEK 9: Respiratory System
WEEK 10: Respiratory System (cont’d)
WEEK 11: Revision
WEEK 12: Examination
WEEK 13: Examination
REVISION:
- 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
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NOTE: We have Secondary School Lesson Notes for ALL SUBJECTS, JSS1 – SS3 (first, second and third term). To see the Available Subjects, place your order and Download any of the Lesson Notes, CLICK HERE.
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BIOLOGY LESSON NOTE FOR SECOND TERM SS2
Below are the Excerpts (Samples) of the 2023 Complete Biology Lesson Notes for SS2 Second Term
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 3 forms of skeletal materials found in animals .These are
- Chitin
- Cartilage
- Bones
CHITIN
It is a tough non-living material present in arthropods (invertebrates). It acts as a hard outer covering to the animal and is made up of series of plates covering or surrounding organisms. Chitin is very tough, light and flexible. However, it can be strengthened by impregnation with ‘tanned’ proteins and particularly in the aquatic crustaceans like crabs, by calcium carbonate.
CARTILAGE
This is a tissue present in skeleton of complex vertebrates. Cartilage consists of a hard matrix penetrated by numerous connective tissue fibres. The matrix is secreted by living cells called chondroblasts. These later become enclosed in spaces (lacunae) scattered throughout the matrix. In this condition the cells are termed chondrocytes. It acts as a shock absorber in between bones during movement because it is tough and flexible with a great tensile strength. It is found predominantly in mammals and cartilaginous fishes e.g. shark.
EVALUATION
- What is skeleton?
- (a) State two main components of skeleton. (b) Differentiate between cartilage and chitin.
TYPES OF CARTILAGE
Cartilages are of three main types in mammals and they are
HYALINE CARTILAGE
This contains a dense meshwork is the most common type and can be found on surface of moveable joint, trachea and bronchi (for ease of respiration) and also in protruding parts of the nose.
WHITE FIBROUS CARTILAGE
Tougher than the hyaline cartilage and can be found in the intervertebral disc of vertebral column.
YELLOW ELASTIC CARTILAGE
Found in the external ear (pinna) and epiglottis (*cartilaginous flap covering the trachea active during food swallowing).
BONE
This is the major component of skeletal system and it consist of living cells (osteocytes), protein fibers (collagen), and minerals such as calcium carbonate and calcium phosphate. These minerals (the non- living constituent) makes up two-third of a mass of bone .Hence, bone is strong and very rigid unlike
cartilage .Bones are highly vascularised.
The skeleton of a young vertebrate embryo is made up of cartilage. As the embryo grows bone cells (osteocyte) replaces cartilage cells.Hence, the cartilage tissue becomes hardened into bone through the addition of minerals in a process called OSSIFICATION
Differences Between Bones and Cartilage
| Bone | Cartilage | |
| 1 | Bones produce red and white blood cells | Cartilages do not |
| 2 | Made up of both living cells and dead cells | Made up of mainly living cells. |
| 3 | Bones are often rigid | Cartilage are often flexible |
| 4 | They are made up mainly of mineral substance such as calcium | Mineral substance are absent |
| 5 | Can never be replaced by cartilage | Can be replaced by bones |
| 6 | Flexible only in young ones | Cartilage both in young ones and adult is flexible. |
EVALUATION
- With examples differentiate between hyaline and elastic cartilage.
- Distinguish between bone and cartilage.
TYPES OF SKELETON
The three main types of skeleton in animals are…
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WEEK 2: TISSUE AND SUPPORTING SYSTEM
Overview:
Continuation of Week 1… To Download the Full Lesson Note Online, CLICK HERE. You can also reach us on WhatsApp, Click Here to Chat with us.
WEEK 3: MAMMALIAN TEETH
Overview:
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… To Download the Full Lesson Note Online, CLICK HERE. You can also reach us on WhatsApp, Click Here to Chat with us.
WEEK 4: DIGESTIVE SYSTEM
Overview:
CONTENT
INVERTEBRATES
- Feeding in Hydra
- Digestion in Planaria
- Digestion in Earthworm
- Digestion in insects (Grasshopper)
VERTEBRATES
- Digestion in Birds
- Digestion in Rabbits
FEEDING IN HYDRA
Hydra feeds on small aquatic organisms e.g. crustaceans. It captures its food through its structure called nematocysts found on its tentacles. The food is… To Download the Full Lesson Note Online, CLICK HERE. You can also reach us on WhatsApp, Click Here to Chat with us.
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Biology Lesson Note for SS2 (Second Term)
WEEK 5: DIGESTIVE SYSTEM
Overview:
Continuation of Week 4… To Download the Full Lesson Note Online, CLICK HERE. You can also reach us on WhatsApp, Click Here to Chat with us.
WEEK 6: TRANSPORT SYSTEM
Overview:
CONTENT
- Transport system
- Need for transport system
- Relating transport in lower organism to that in higher organism
- Transport material in animals and plant
- Diverse mechanism of transportation in some organisms
- Transport system in mammals (man)
- Functions of blood
Transport system
Transport system is the movement of metabolic materials from various parts of an organism where they are produced and transported to other parts where such are used, stored or removed from the body.
Need For Transport System
All living organisms (plants and animals) need transport system for the following reasons… To Download the Full Lesson Note Online, CLICK HERE. You can also reach us on WhatsApp, Click Here to Chat with us.
WEEK 7: CIRCULATORY SYSTEM
Overview:
CONTENT
- Protective Function of Blood
- Circulatory System in Mammals
- Blood Vessels and the Heart
PROTECTIVE FUNCTION OF BLOOD
The blood performs two basic functions in mammals and
These are:
- Transportation of various substances
- Protection of body against diseases
The blood defends the body in major ways
- Antibody production (Clumping): The lymphocytes produce antibodies which are any of a large variety of proteins normally present in the body or produced in response to an antigen which it neutralizes, thus producing an immune response.This can also be ensured by injecting small dose of the weaker or dead pathogens into the body. This process is known as vaccination or immunization
- Neutralization: The whole blood will… To Download the Full Lesson Note Online, CLICK HERE. You can also reach us on WhatsApp, Click Here to Chat with us.
WEEK 8: TRANSPORT SYSTEM IN HIGHER PLANTS
Overview:
In simple unicellular plant materials are exchanged by simple diffusion process between the plants and its aquatic environment. Hence there is no need for elaborate transport system. However, in higher plant such as ferns and… To Download the Full Lesson Note Online, CLICK HERE. You can also reach us on WhatsApp, Click Here to Chat with us.
Biology Lesson Note for SS2 (Second Term)
WEEK 9: RESPIRATORY SYSTEM
Overview:
CONTENT
- Definition / Phases of Respiration
- Conditions Necessary for Respiration
- Characteristics of Respiratory Surface
- Types of Respiratory System
- Mechanism of Respiratory System in Lower Animals & Higher Animals
DEFINITION/PHASES OF RESPIRATION
The process of respiration involves the taking in of oxygen its transport within the body of the organism, its exchange in the cells and the eventual release of energy in form of ATP, water and carbon(IV)oxide. The energy is utilized… To Download the Full Lesson Note Online, CLICK HERE. You can also reach us on WhatsApp, Click Here to Chat with us.
WEEK 10: RESPIRATORY SYSTEM OF MAMMALS & RESPIRATION IN PLANTS
Overview:
CONTENT
- Respiratory System in Mammals: Mechanism of Respiratory System
- Process of Inhalation / Inspiration in man
- Characteristics
- Process of Expiration in Man
- Internal Aerobic Respiration
- Respiration in Plants (Stomata & Lenticels)
- Mechanism of Gaseous Exchange in Plants.
RESPIRATORY SYSTEM IN MAMMALS
The respiratory system of mammals is the most complex of all respiratory systems. It comprises of a pair of lungs enclosed in the thorax and connected to the outside by series of branched air tube.
In human beings air can be drawn in through the mouth or nose. Both lead into the pharynx a short passage way which branches at the end into two directions. One leads to the… To Download the Full Lesson Note Online, CLICK HERE. You can also reach us on WhatsApp, Click Here to Chat with us.
WEEK 11: Revision
WEEK 12: Examination
WEEK 13: Examination
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The content of the lesson note is well-structured with adequate evaluation.
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