1. Reproduction in Plants and Animals

2. Plants: Sexual Reproduction Sexual Reproduction in Plants 1. Flower = reproductive organ, makes gametes (sperm and egg) 2. Seed= Pollen (male) + egg cell (female) = baby plant

3. Plants: Sexual Reproduction Sexual Reproduction in Plants 3. Male organ = Stamen –makes pollen (sperm cells)

6. Plants: Sexual Reproduction Sexual Reproduction in Plants 4. Female Organ = Pistil- (center) –Ovary- at bottom –Fertilization

13. Plants: Sexual Reproduction Sexual Reproduction in Plants 5. Perfect flower = Has a pistil and a stamen 6. Imperfect flower= Has just a pistil or just a stamen

15. Comparing Perfect & Imperfect Flowers Makes only pollen Imperfect- with stamen Makes both pollen and eggs Perfect The only self-pollinator Perfect Cannot pollinate any flower Imperfect with pistil In which plants can fertilization take place? Perfect and imperfect with pistil

16. Plants: Sexual Reproduction Illustrate this process in your notes Sexual Reproduction in Plants 7. Fertilization –A. Pollination- pollen transferred from stamen to pistil (wind, animal (bee), gravity) –B. 2 Pollen grow down into pistil’s ovary –C. Pollen fertilizes egg cell- to make a baby plant embryo –D. Other pollen develops into food (cotyledon) for embryo

20. Plants: Sexual Reproduction Sexual Reproduction in Plants 8. Seed –Made up of embryo, cotyledon, coat

21. Plants: Sexual Reproduction Sexual Reproduction in Plants 9. Pollination –A. Self-pollination- gravity pulls pollen down from stamen to pistil –B. Wind –C. Insects- pollen sticks to them and travels with them to a new flower

23. Plants: Asexual Reproduction “Vegetative Propagation” Asexual Reproduction in Plants 1. Runners- plant grows from an extension of a root or stem –Ex: ivy

24. Plants: Asexual Reproduction “Vegetative Propagation” Asexual Reproduction in Plants 2. Cuttings- use leaf or stem cut from plant to grow a new one

25. Plants: Asexual Reproduction “Vegetative Propagation” Asexual Reproduction in Plants 3. Grafting- transplant a cutting onto a different plant –Ex: apple trees

26. Plants: Asexual Reproduction “Vegetative Propagation” Asexual Reproduction in Plants 4. Bulbs & Tubers- fat stems/roots that grown new plants underground –Ex: onion, potatoes

27. Plants: Asexual Reproduction “Vegetative Propagation” Asexual Reproduction in Plants 5. Spores- small round reproductive cells underneath fern leaf (drop to ground)

28. Assessment: Plant Reproduction Compare and contrast sexual and asexual plant reproduction

29. Questions: Plant Reproduction Distinguish between the roles of the “female” and “male” plant organs in sexual reproduction

30. Questions: Plant Reproduction Describe the fertilization process in a flower Pollen lands on top, grows down into ovule and fertilizes it, producing an egg cell and endosperm (seed)

31. Questions: Plant Reproduction List the ways in which flowers become fertilized /pollinated

32. Questions: Plant Reproduction Distinguish between the various forms of vegetative propagation in plants

33. Questions: Plant & Animal Reproduction Compare the gametes involved in sexual reproduction in plants vs. animals

34. Hand-On: Studying a Plant Complete the flower dissection lab

35. Plant Reproduction Websites Plants in Motion Tree of Life: Plants Plant Investigations The Great Plant Escape