ALGAE Vukov materil OR 03 65 Tvrce Mgr

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ALGAE Výukový materiál OR 03 - 65 Tvůrce: Mgr. Alena Výborná Tvůrce anglické verze:

ALGAE Výukový materiál OR 03 - 65 Tvůrce: Mgr. Alena Výborná Tvůrce anglické verze: Mgr. Miloslava Dorážková Projekt: S anglickým jazykem do dalších předmětů Registrační číslo: CZ. 1. 07/1. 1. 36/03. 0005 Tento projekt je spolufinancován ESF a SR ČR

ALGAE • Algae and blue-green algae are the oldest organisms on our planet •

ALGAE • Algae and blue-green algae are the oldest organisms on our planet • Autotrophic • Photosynthesis oxygen into the atmosphere • An eukaryotic type of a cell • The simplest plants • They mainly occur in water (freshwater, seawater), humid soil

ALGAE • They are an important part of food of aquatic animals • Some

ALGAE • They are an important part of food of aquatic animals • Some of them occur even on dry land (humid places) • a green cover on soil or bark • A diverse cell structure and a way of life • They differ in: ▫ Size ▫ Colour ▫ Body structure (a thallus)

ALGAE SIZE • microscopic • unicellular • multicellular up to 50 m COLOUR •

ALGAE SIZE • microscopic • unicellular • multicellular up to 50 m COLOUR • green • red • brown THALLUS • unicellular • multicellular • fibrous

GREEN ALGAE • Predecessors of more developed plants • Seawater, freshwater and humid places

GREEN ALGAE • Predecessors of more developed plants • Seawater, freshwater and humid places • Some of them move thanks to flagellas

GREEN ALGAE • Chlorophyceae ▫ Unicellular ▫ Without a flagellum • Chlorophyta ▫ Unicellular

GREEN ALGAE • Chlorophyceae ▫ Unicellular ▫ Without a flagellum • Chlorophyta ▫ Unicellular ▫ Humid places

GREEN ALGAE • Euglena ▫ Unicellular ▫ Has a flagellum ▫ Mixotrophic (performs photosynthesis

GREEN ALGAE • Euglena ▫ Unicellular ▫ Has a flagellum ▫ Mixotrophic (performs photosynthesis + accepts dissolved organic substances from the surroundings) • Volvox globator ▫ Unicellular ▫ Has a flagellum ▫ Makes colonies

Volvox globator • A colony of a volvox globator

Volvox globator • A colony of a volvox globator

Euglena • • A stigma Chloroplasts A nucleus A flagellum

Euglena • • A stigma Chloroplasts A nucleus A flagellum

MULTICELLULAR ALGAE • They are divided into several sections • They differ in: ▫

MULTICELLULAR ALGAE • They are divided into several sections • They differ in: ▫ Thallus structure ▫ Way of reproduction ▫ Way of life

MULTICELLULAR ALGAE • They occur on rock coasts or freely in the sea: ▫

MULTICELLULAR ALGAE • They occur on rock coasts or freely in the sea: ▫ Brown algae ▫ Red algae • Some of them grow into big sizes • Usage : ▫ Feed ▫ Food ▫ Essences from algae are used for treatments

MULTICELLULAR ALGAE • • • The largest brown algae are: FUCUS (SEAWEED) In our

MULTICELLULAR ALGAE • • • The largest brown algae are: FUCUS (SEAWEED) In our country there occur these green fungi: SPIROGYRA (a spiral chloroplast) CLADOPHORA

MULTICELLULAR ALGAE – Thalli of sea algae visible just by an eye – red

MULTICELLULAR ALGAE – Thalli of sea algae visible just by an eye – red algae and seaweed

REVISION: • 1) Why are algae so important for us? • 2) Where do

REVISION: • 1) Why are algae so important for us? • 2) Where do algae occur? • 3) The largest green algae are called: • 4) Which alga makes colonies?

Source: • DOBRORUKA, Luděk J. Přírodopis pro 7. ročník základní školy. 1. vyd. Praha:

Source: • DOBRORUKA, Luděk J. Přírodopis pro 7. ročník základní školy. 1. vyd. Praha: Scientia, 1998, 152 s. ISBN 80 -718 -3134 -4

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Algae and Seaweed Algae Video Do Now AlgaeAlgae and Seaweed Algae Video Do Now Algae
ALGAE Algae What is it Algae are plantlikeALGAE Algae What is it Algae are plantlike
Interactionsmutualism Coralfarming algae Giant clamfaming algae Microscopic algaeInteractionsmutualism Coralfarming algae Giant clamfaming algae Microscopic algae
Vukov materil GE 02 39 Tvrce Mgr rkaVukov materil GE 02 39 Tvrce Mgr rka
Vukov materil MB 04 102 Tvrce Mgr rkaVukov materil MB 04 102 Tvrce Mgr rka
MUTATIONS Vukov materil GE 02 60 Tvrce MgrMUTATIONS Vukov materil GE 02 60 Tvrce Mgr
ARTHROPODA Vukov materil OR 03 71 Tvrce MgrARTHROPODA Vukov materil OR 03 71 Tvrce Mgr
Vukov materil GE 02 37 Tvrce Mgr rkaVukov materil GE 02 37 Tvrce Mgr rka
Vukov materil EK 01 27 Tvrce Mgr AlenaVukov materil EK 01 27 Tvrce Mgr Alena
Vukov materil MB 04 99 Tvrce Mgr rkaVukov materil MB 04 99 Tvrce Mgr rka
BACTERIA Vukov materil OR 03 62 Tvrce MgrBACTERIA Vukov materil OR 03 62 Tvrce Mgr
Vukov materil GE 02 34 Tvrce Mgr rkaVukov materil GE 02 34 Tvrce Mgr rka