Transcript Plants
Use this powerpoint to help answer the questions Tiny organs that work inside the cell Let’s review some important parts of the plant cell Cell Wall Cell Membrane Cell Wall: Provides Protection and suppor Made of cellulose The Cell Vacuoles: Larger in plants Osmosis – the movement of water from a high concentration to a low concentration If a plant does not receive enough water it will wilt. Chloroplast: “Green jelly beans” Contains CHLOROPHYLL Makes food for cell (Photosynthesis – captures ENERGY IN SUNLIGHT (equation) Nonvascular: Do not contain tubes to carry water up and down plant Algae ◦ Chlorophyta ◦ Phaeophyta ◦ Rhodophyta Bryophyta ◦ Mosses ◦ Liverworts Vascular: Do have tubes to carry water, usually taller Ferns Gymnosperms Angiosperms Chlorophyta Simple plants with no … ◦ Roots ◦ Stems ◦ Leaves There are three types … Phaeophyta Rhodophyta Algae that is the color GREEN Algae that is the color BROWN Phaeostrophion irregulare Analipus japonicus Nereocystis luetkeana Algae that is the color RED Antithamnion plumula Delesseria sanguinea Porphyra perforata 1. 2. Plant division made up of nonvascular plants that live in moist places. Examples include a) Moss- simple rootless plant with leaves arranged in a spiral around a leafy stem. BEDDING PEAT MOSS – gardeners SPHAGNUM MOSS – grows in a BOG (acidic wetland) ◦ wetlands – areas of land that are saturated with water for a period of time b) Liverworts – simple rootless plants with or without stems & leaves. Also called the Tracheophyta Includes three main groups Ferns Gymnosperms Angiosperms Have large leaves that are divided into smaller parts that also look like miniature leaves (called fronds) FRONDS Reproduce through spores (which are located underneath the leaves). Spore case 1. 2. Have “male” and “female” cones that produce pollen and ovules If pollination occurs, seeds are produced in the female cone that are not protected by a fruit (outside covering). MALE FEMALE Pine tree Examples: hemlock ginkoe Giant Redwoods - Fir tree Flowering plants 2) Produce seeds inside a fruit. 3) The two main types of angiosperms are based on the number of cotyledons (the part of the seed that stores FOOD. 1) Have flower parts in threes 1) Have flower parts in fours or fives 2) Narrow leaves with parallel veins 2) Broad leaves with branched veins 3) Vascular tissue (vessels) scattered throughout the stem. 3) Vascular tissue in a ring. 4) Seeds have one seed leaf 4) Seeds have two seed leaves Wheat Corn Grasses Daffodils Lilies Palms Oaks Dandelions Roses Beans Tomatoes Maples a) Stamens 1- Male reproductive organs Stamens Have two parts 2) Filament- stalk Antherwhere pollen is made Anther Filament Pollen grain forming on the anther Pollen released into air Flower Parts Stamen Flower Parts Anthers Flower Parts Filament b) Pistils 1- Female reproductive organs Pistil Ovary – produces ovules (female gametes) Style – short stalk Stigma – sticky extension of stalk that catches pollen. Ovules growing in the ovary Pollen sticking to the pistil’s stigma. Pistil Flower Parts Flower Parts Stigma Style Ovary C) Sepals- Leaflike parts that protect the flower. d) Petals – Attract pollinators. Flower Parts Petal Sepal Taking pollen from one plant Cross with a certain pollinationtrait and placing it on a plant with a different trait. For example, taking pollen from a short plant and placing it on a a) After pollen lands on stigma a tube grows down the style to an ovule. b) The fertilized zygote develops into a seed. c) The ovary that surrounds the ovules develops into a fruit. c) The ovary that surrounds the ovules develops into a fruit (if the fruit dries out it becomes a shell). Produces nuts, grains Acorns, etc. Pistil Flower Parts Stamen Stigma Style Petal Anther Filament Ovary Sepal