Animal Husbandry - Senior Secondary 1 - Practical on organs of farm animals

TERM: 1^ST TERM

WEEK TEN

Class: Senior Secondary School 1

Age: 15 years

Duration: 40 minutes of 5 periods each

Date:

Subject: ANIMAL HUSBANDRY

Topic: PRACTICAL ON ORGANS OF FARM ANIMALS

SPECIFIC OBJECTIVES: At the end of the lesson, pupils should be able to

I.) Describe the skeletal system of snails

II.)  Describe the skeletal system of honey bee

III.) Compare the two skeletal systems.

INSTRUCTIONAL TECHNIQUES: Identification, explanation, questions and answers, demonstration, videos from source

INSTRUCTIONAL MATERIALS: Videos, loud speaker, textbook, pictures,

INSTRUCTIONAL PROCEDURES

PERIOD 1-2

NOTE

PRACTICAL ON ORGANS OF FARM ANIMALS

Practical Session: Comparative Study of the Skeletal Systems of Snails and Honey Bees

Objective:

The objective of this practical session is to provide participants with hands-on experience in examining and comparing the skeletal systems of snails and honey bees, enhancing their understanding of invertebrate anatomy and morphology.

Materials Needed:

1. Preserved or fresh specimens of snails.
2. Preserved or fresh specimens of honey bees.
3. Dissection tools (e.g., dissecting needles, forceps, magnifying glasses).
4. Anatomical charts or diagrams for reference.
5. Notebooks and pens for taking notes and recording observations.
6. Labeling materials (markers, tags) for identifying anatomical structures.
7. Personal protective equipment (PPE) for participants (e.g., gloves, safety goggles).

Procedure:

1. Introduction (15 minutes):

   - Provide an overview of the objectives and structure of the practical session, focusing on the comparative study of snail and honey bee skeletal systems.

   - Review basic concepts of invertebrate anatomy and morphology relevant to snails and honey bees.

   - Introduce the specimens and materials that will be used during the session.

2. Examination of Snail Skeletal System (45 minutes):

   - Divide students into small groups and provide each group with a specimen of a preserved or fresh snail.

   - Instruct students to carefully examine and identify key anatomical structures, including the shell, foot, mantle, radula, and internal organs.

   - Facilitate group discussions on the functional significance of the snail skeletal system, including locomotion, protection, and feeding.

3. Examination of Honey Bee Skeletal System (45 minutes):

   - Divide students into small groups and provide each group with a specimen of a preserved or fresh honey bee.

   - Instruct participants to carefully examine and identify key anatomical structures, including the exoskeleton, head, thorax, abdomen, wings, and legs.

4. Comparative Analysis and Discussion (30 minutes):

   - Gather students together for a comparative analysis of the skeletal systems of snails and honey bees.

   - Facilitate discussions on anatomical similarities and differences, evolutionary adaptations, and ecological roles.

   - Encourage students to consider the implications of skeletal morphology for the behavior, ecology, and physiology of snails and honey bees.

5. Hands-on Exploration and Questions (30 minutes):

   - Allow students to explore the specimens further and ask questions about specific anatomical structures or functions.

   - Provide additional explanations and demonstrations as needed to clarify concepts and address students inquiries.

6. Conclusion and Reflection (15 minutes):

   - Summarize the main points of the practical session and highlight key insights gained from the comparative study of snail and honey bee skeletal systems.

   - Encourage students to reflect on the diversity and complexity of invertebrate anatomy and its importance in understanding animal biology and ecology.

EVALUATION: 1. Teacher evaluates the students based on their performance from the practical session.

CLASSWORK: As in evaluation

CONCLUSION: The teacher commends the students positively