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Plant Reproduction Fruit & Seed Dispersal Giant Kelp also a Protist!

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Presentation on theme: "Plant Reproduction Fruit & Seed Dispersal Giant Kelp also a Protist!"— Presentation transcript:


2 Plant Reproduction

3 Fruit & Seed Dispersal

4 Giant Kelp also a Protist!

5 Green Algae

6 Gymnosperm & Angiosperm Seeds

7 Flowering Plants: Monocot & Dicot Seeds

8 Mosses

9 Fruit of a Peanut Plant Forms in the ground Fertilization of an egg & pollen makes a seed Fruit is the ovary around the seed

10 Pineapple Fruit

11 Plants: Nonvascular & Vascular

12 Honey Possum & Bee Pollinators

13 Fruit & Seed Dispersal

14 Pollination versus Fertilization Pollination: Mechanical Transfer of pollen: Fertilization: Joining Of pollen(sperm) with The egg in ovary

15 Cone Bearing Plants Gymnosperms Cones naked seeds No ovaries Pollen

16 Ovaries surround the seeds Seed = Fertilized egg Ovary becomes the fruit

17 Roots

18 Stems

19 The stem of a plant provides pathways for the distribution of water and nutrients between the roots, leaves, and other parts of the plant. The herbaceous stem of the dandelion (top, center) lacks lignin, the stiffening material in rigid, supportive woody stems. For this reason, herbaceous plants are generally limited in their physical size. Spurges and cacti (bottom, left), their leaves reduced to needles to prevent evaporation in a dry climate, consist entirely of stem material. Tubers, such as potatoes (top, right), are swollen, food-storing, underground stems that nourish growing buds. The stems of some plants are adapted for protection, as in the hawthorn (bottom, right). Others actively compete for sunlight, using touch-sensitive, curling tendrils (top, left) or other structures to climb upwards. Dorling Kindersley;Harry Taylor/Oxford Scientific Films "Stems," Microsoft® Encarta® Encyclopedia © Microsoft Corporation. All rights reserved.

20 Stem Structure

21 Grafting apple varieties

22 Parts of a Flower

23 Ferns: Frond & Fiddleheads

24 Fern Sporangia Underside of frond Spore Capsule Contains Spores Asexual 1N

25 Ferns & Mosses Require Wet Environments: Gametophyte sperm cells Need water to swim to egg!

26 Alternation of Generations Sporophyte makes spores Gametophyte makes gametes Fertilization=2N zygote

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