THE REPRODUCTIVE PARTS IN PLANTS.pptx
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The document summarizes the reproductive parts of flowers and their functions. It describes the main parts of flowers as the receptacle, sepals, petals, stamen, and pistil. The stamen is the male part consisting of a filament and anther, which produce pollen grains. The pistil is the female part made up of a style, stigma, and ovary, where ovules are fertilized to produce seeds.
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Parts of a flower
The document summarizes the parts of a flower and their roles in reproduction. It explains that flowers contain reproductive organs and are made up of four main parts: sepals, petals, stamens, and pistils. The sepals protect the bud, petals attract pollinators, stamens produce pollen as the male part, and pistils receive pollen and contain ovaries to produce seeds as the female part. Pollination occurs through pollen transfer from the stamen to the pistil by wind, insects, or other animals. Fertilization happens when pollen grains fuse with egg cells in the ovary, developing into seeds and eventually fruit to protect and disperse the seeds.
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This document discusses sporophyte plants like ferns and mosses. It describes ferns as vascular seedless plants that reproduce through spores and have a life cycle of alternation of generations between a sporophyte and gametophyte stage. Mosses are described as nonvascular plants that reproduce sexually through the union of male and female sex cells or asexually through spores. Both ferns and mosses play various ecological roles and have some economic uses.
Non flowering plants life cycle
Non-flowering plants reproduce using spores rather than flowers and seeds. They are divided into three main groups: mosses, liverworts, and hornworts. Mosses belong to the division Bryophyta and have gametophyte and sporophyte phases in their life cycle. They reproduce asexually through fragmentation and gemmae, and sexually through the fertilization of eggs by sperm. Ferns belong to the division Pterophyta and have vascular tissues that allow them to grow larger than mosses. They also have alternation between gametophyte and sporophyte generations. Gymnosperms like conifers reproduce using naked seeds on cone scales rather than enclosed in fruits. They have a dominant
Difference between flowering & Non Flowering Plants
The main difference between flowering and nonflowering plants is their method of reproduction. Flowering plants rely on pollination to produce seeds inside fruits, while nonflowering plants reproduce through spores or naked seeds not enclosed in fruits. There are three major types of nonflowering plants: gymnosperms like conifers which produce naked seeds but no flowers or fruits; mosses which reproduce via spores rather than seeds; and ferns which also reproduce using spores instead of seeds.
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Conifers are a group of vascular seed plants that bear their seeds in cones. They are most abundant in cool temperate regions and include pine trees, firs, spruces, ginkgoes, junipers, yews, cypresses, and cedars. Conifers grow tall with needles or needle-shaped leaves and are often used as ornamental plants as well as sources of timber, paper products, resins, and medicinal products. Their seeds are contained within cones and are fertilized by wind-blown pollen to produce new saplings.
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The lesson plan is for a 3rd grade science class about the parts of a plant and their functions. The objectives are to identify the parts of a plant and appreciate their importance. The lesson will involve observing pictures of plants, doing group activities to label and identify parts based on functions, and a discussion led by the teacher using additional materials. Students will summarize what they learned about roots absorbing water and nutrients, stems transporting water and supporting the plant, leaves producing food, and fruits containing seeds. They will apply this by considering a scenario and evaluating their understanding through a matching activity.
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The document summarizes the parts of a flower and their roles in reproduction. It explains that flowers contain reproductive organs and are made up of four main parts: sepals, petals, stamens, and pistils. The sepals protect the bud, petals attract pollinators, stamens produce pollen as the male part, and pistils receive pollen and contain ovaries to produce seeds as the female part. Pollination occurs through pollen transfer from the stamen to the pistil by wind, insects, or other animals. Fertilization happens when pollen grains fuse with egg cells in the ovary, developing into seeds and eventually fruit to protect and disperse the seeds.
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This document discusses sporophyte plants like ferns and mosses. It describes ferns as vascular seedless plants that reproduce through spores and have a life cycle of alternation of generations between a sporophyte and gametophyte stage. Mosses are described as nonvascular plants that reproduce sexually through the union of male and female sex cells or asexually through spores. Both ferns and mosses play various ecological roles and have some economic uses.
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The lesson plan is for a 3rd grade science class about the parts of a plant and their functions. The objectives are to identify the parts of a plant and appreciate their importance. The lesson will involve observing pictures of plants, doing group activities to label and identify parts based on functions, and a discussion led by the teacher using additional materials. Students will summarize what they learned about roots absorbing water and nutrients, stems transporting water and supporting the plant, leaves producing food, and fruits containing seeds. They will apply this by considering a scenario and evaluating their understanding through a matching activity.
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- 1. THE REPRODUCTIVE PARTS IN PLANTS AND THEIR FUNCTIONS. Presented by: Cristal Jade Rendon
- 2. The Reproductive Parts of Flowers Plants are one of the most important living organism on earth. They play much benefit to both animals and human beings. They produce oxygen which is needed for the survival of living organism. There are some plants which reproduce by using their accessory part like flower.
- 3. The Reproductive Parts of the Flower
- 4. Parts of the Flowers Receptacle The enlarged upper end of flower stalk which bears the flower or group of flowers.
- 5. Parts of the Flowers Sepal The modified leaves which enclose and protect the other parts of flower when it is still a bud. When the flower blooms, the sepal supports the bottom of the flower. A group of sepals is called calyx.
- 6. Parts of the Flowers Petals The most obvious part of a flower. Most petals are brightly colored to attract insects for pollination. A group of petals is called corolla.
- 7. Parts of the Flowers Stamen The male part of a flower. It consist of the filament and the anther. The filament holds the anther in a position tall enough to release the pollen. The anther consist of two lobes that contains pollen sacs. Pollen sacs have pollen grains that are released by the anther when they mature.
- 8. Parts of the Flowers Pistil Is the female part of the flower. It is made up of three parts: 1. Style is a stalk that connects the stigma to the ovary. Tall enough to trap pollen grains. 2. Stigma is a swollen structure at the end of the style. It receives the pollen grains. The mature stigma secrets a fluid that stimulates the pollen grains to germinate. 3. Ovary is the enlarged basal portion of the pistil which contains the ovule.
- 9. Parts of the Flowers Stamen Filament Ovary Anther Stalk Ovule Petals Receptacle Sepal Style Stigma Pistil Draw and label the different parts of flower. Choose the correct answer in the box.
- 10. Match Colum A with Colum B Write the letter of the correct answer on the space provided. Colum A _____ 1. It is the female part of the flower. _____ 2. It is the most attractive part of a flower . _____ 3. It is the male part of the flower. _____ 4. It holds and protect the flower. _____ 5. It is a stalk that connects the stigma to the ovary Colum B a. Petals b. Pistil c. Stamen d. Sepal e. Flower f. Style Parts of the Flowers
- 11. THANK YOU!