'Male cones' diaporamas de présentation

Plant Overview and Reproduction

Plant Overview and Reproduction. Pre-AP Biology Mrs. Scott. What Is a Plant?. Members of the kingdom Plantae Plants are multicellular eukaryotes Plants have cell walls made of cellulose .

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Boundless Lecture Slides

Boundless Lecture Slides. Available on the Boundless Teaching Platform. Free to share, print, make copies and changes. Get yours at www.boundless.com. Using Boundless Presentations. Boundless Teaching Platform

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Plants!!!

Plants!!!. 7 th Grade Science. What is a plant?. Autotrophs Photosynthesis Use energy from the sun to make their food Eukaryotes Many cells organized into tissues Tissues = groups of similar cells that performs a specific function Plant Cells

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Chapter 22: Plants with Seeds

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Common Trees of the Gulf Islands: Identification and Knowledge

Common Trees of the Gulf Islands: Identification and Knowledge. What are the six most common tree species on Mayne Island?. Douglas fir Western red cedar grand fir Arbutus red alder Big leaf maple. Which three species are conifer trees?. Douglas fir. Conifer Cones not flowers

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Gymnosperms

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Plant Organs and Tissues

Plant Organs and Tissues. Mr. Ramos. Introduction to Plants. There are over 260,000 different species of flowering plants alone! Plants are multicellular, eukaryotic organisms . Photosynthetic Plants have a cell wall made of cellulose . Plants take up water via capillary action. .

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Gymnosperms

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GYMNOSPERMS

GYMNOSPERMS. INTRODUCTION. Gymnosperms ( Gymno : naked, sperma = seed ) include simpler and primitive plants. They are characterised by the presence of naked ovules , borne unprotected on the surface of the megasporophylls .

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Chapter 8 Section 4

Chapter 8 Section 4. Gymnosperms. Gymnosperms. A seed plant that produces naked seeds Not enclosed by a protective fruit Many gymnosperms have needle-like or scale-like leaves, and deep-growing root systems Oldest type of seed plant. Cycads. Grow mainly in tropical and subtropical areas

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Gymnosperms

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GYMNOSPERMS

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Parts of a Seed Plant

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Conifers

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Lab 11: Cordaitales, Coniferales, Gnetales

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Classifying Plants

Classifying Plants. What makes a plant?. Plants are unique because they make their own food by photosynthesis. Photosynthesis is a process of taking energy from the sun and using it to create sugars (food) that they use to grow.

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Cycadophyta

Cycadophyta. By: Varsha Bhatnagar, Amy Hodgson, and Nicole Nicholas. Appearance : BEAUTIFUL!!. Facts:. Extremely ancient (280 million years ago), coexisted with dinosaurs Seed Plant Characterized by a large crown of compound leaves and a stout trunk

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Angiosperms vs. Gymnosperms

Angiosperms vs. Gymnosperms. Part 2. Gymnosperms. Bear seeds directly on cones Male cones and female cones Rely on the wind to blow the seeds around Most pollen in the air is pollen from a gymnosperm Pine tree pollen is green Pollen is plant sperm. Examples of Gymnosperms.

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Gymonosperms mean naked seed. Seeds produced by gymnosperms like this Giant Sequoia.

Gymonosperms mean naked seed. Seeds produced by gymnosperms like this Giant Sequoia. Most gymnosperms are trees, some are shrubs,most have needlelike or scalelike leaves. Gymnosperms are the oldest type of land plant. Cycads are about 175 million years old.

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