Life Science Grade 11

Grade 11 Life Sciences Lesson PlansGRADE 11 SUBJECT LIFE SCIENCE WEEK 6 TOPIC ADVANTAGES AND DISADVANTAGES OF ASEXUALAND SEXUAL REPRODUCTION IN LIVING ORGANISMSLesson 1LESSON SUMMARY FOR: DATE STARTED:DATE COMPLETED:CONTENT:• Explanation of sexual and asexual reproduction in living organisms• Advantages and disadvantages of sexual and asexual reproduction in organismsLESSON OBJECTIVESThe learners must be able to:• State the advantages of asexual reproduction• State the disadvantages of asexual reproduction• State the advantages of sexual reproduction• State the disadvantages of sexual reproductionTEACHER ACTIVITIES LEARNER ACTIVITIES TIMING RESOURCES NEEDED1. Introduction• To introduce lesson :• Explain to learners that there are different methods of reproduction inplants and animals5 min• Some organisms are able to make copies of themselves and otherorganisms must have a mate to produce offspring2. Main Body / Presentation:• Learners should write down the following points on asexual and sexualreproduction in plants and animals:• Asexual means without sex and involves only one individual or parent• In plants it is sometimes called vegetative reproduction• There are various means by which plants may reproduce asexually:sideways shoots, called runners are produced, lateral buds onunderground storage organs called tubers produce new shoots andstems from some plants can produce new roots when cut from themain plant• Sexual reproduction involves the fusion of gametes (egg and spermcells) from a male and female parentThis means that genetic content of the parents is mixed up and thenpassed on to the offspring• Discussion method between learners and educator to develop thecorrect and relevant points.• Learners write down the informationregarding asexual and sexual reproduction15min• Reference:• Solutions for all LifeSciences Gr. 11 pp.69 –70; Oxford SuccessfulLife Sciences Gr. 11pp.42-43Term 1 Page 42© Gauteng Department of Education (CAPS version)