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You need to complete this activity in one attempt. You cannot start and stop this activity to do it in parts. Time will start when you click Begin and will expire 3 hours later. You do NOT have to complete the online activity at the time that your practical class was timetabled . The activity will be available until the due date. You can complete it at the most appropriate time that suits you during this time. If you have a computer problem during your attempt at the activity, email Tony Haigh ( [email protected] ) and Christa Beckmann ( [email protected] ) with a very brief description of your problem. The online Practical 4 Quiz consists of various types of questions: multiple choice (MCQ), short answer (SA), multiple response (MRQ), fill-in-the-blank (FIBQ), and File Response (FRQ). For file response questions, we require you to prepare your response as a PDF file before opening the Practical 4 Quiz. Submit your attempt BEFORE 23:59 on 24 May 2020 . NOTE: We recommend the following free APPS that can be used to make a PDF of your drawings (for FILE RESPONSE questions): Office Lens, OR Clear Scan. Of course, you may use any APP of your choice. The only accepted file type is PDF. You will be able to access your feedback for the online Plant Diversity Practical Activity once all students have submitted it and all questions have been marked. This will be as soon as we can manage to do this and within a few weeks after all students have submitted the activity. NOTE: this activity is an assessment task worth 5 marks towards your total mark for this unit. Practical 4 – Plant Diversity 56 Practical Manual
Western Sydney University 2020 300802 Biodiversity PRACTICAL 4 – PLANT DIVERSITY MOSSES, FERNS AND SEED PLANTS 4.01 INTRODUCTION Background Reading Mason et al . (2020) Biology 12th Edition. McGraw-Hill. Chapters 29 and 30. At the end of this Practical you should be able to: 1. explain the general form of a plant life cycle with alternation of generations; 2. understand the structure of non-vascular plants – mosses; 3. explain the life cycle of a moss in terms of the general plant life cycle; 4. explain the life cycle of ferns, and how the different parts of a fern plant fit into the life cycle; 5. explain the advances in reproduction made by the angiosperms compared to the seedless vascular plants; 6. describe the parts of a flower – sepals, petals, stamens, carpels; 7. explain the function of the parts of the flower; 8. explain how the parts of the flower fit into the angiosperm life cycle – spores, gametophytes, gametes. In this practical we will survey plant diversity, by looking at non-vascular terrestrial plants (mosses) seedless vascular plants (ferns) seed-bearing vascular plants (gymnosperms and angiosperms) Practical 4 – Plant Diversity 57 Practical Manual
Western Sydney University 2020 300802 Biodiversity 4.02 NON-VASCULAR PLANTS – BRYOPHYTES (Mosses) The generalised plant life cycle consists of: Sporophyte → spore → gametophyte → gametes → zygote → sporophyte In mosses, the moss plant we are familiar with is the gametophyte stage of the life cycle. We will start our investigation of the moss life cycle with the gametophyte .

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