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Characteristics of Algae Photosynthesizing Both uni and multicellular Contain chlorophyll and pigments that give them a variety of colors
Six Phyla of Algae 1.Euglenoids Unicellular, aquatic protists Have both plant and animal characteristics Move with flagella
2. Diatoms “Golden Algae” Unicellular, photosynthetic Live in freshwater and marine ecosystems Store food as oils instead of starches Reproduce asexually
3. Dinoflagellates Have cell walls Come in a variety of shapes/styles (some look like helmets or suits of armor) Most live in marine environments Cause a “Red Tide”
4. Red Algae Mostly multicellular marine seaweed Have a body called a “thallus” Live in deep water where other seaweed cannot survive
5. Brown Algae Live in cool, marine waters Have an air bladder to float on water’s surface Ex. Kelp
6. Green Algae Most diverse algae Mostly live in fresh water (live in oceans, soil, tree trunks, snow, and fur of sloths Reproduce sexually and asexually
Fragmentation Form of reproduction used by some green algae An individual breaks into pieces and each piece grows into a new individual
Alternation of Generation Life cycle pattern of some algae and all plants where the organism alternates between existing as a haploid and diploid; creating two different generations
Gametophyte The haploid form of the organism; produces gametes Sporophyte The diploid form of the organism Page 516, Figure 19
Algae – The Plant-like Protists
Plant-Like & Fungus-Like Protists
Protists The world of Protists: Animal-like Protists
Kingdom Protista Developed by Adam F Sprague & Dave Werner
Plant-Like Protists Biology 112. Algae Plant-like protists Contain chlorophyll and carry out photosynthesis Many are highly mobile Scientists.
The Protists Chapter 19.1 page
Kingdom Protista Contains the most diverse organisms of all of the kingdoms Mostly unicellular Autotrophic/heterotrophic Cell walls sometimes present Composed.
Algae An Overview.
End Show Slide 1 of 39 Copyright Pearson Prentice Hall Biology.
Algae Tony Li and Bryan Eng. Parts of an alga Thallus: seaweed body Holdfast: anchors the alga Stipe: stemlike part used for support Blade: leaflike,
Chapter 19: Protists protozoan, alga, pseudopodia, asexual reprodution, flagellate, ciliate, sporozoan, spore.
Phaeophyta (Brown algae)
Protists Chapter 19..
MULTICELLULAR PRIMARY PRODUCERS: SEAWEEDS AND PLANTS video.
Algae vs. Plants. What are algae? Photosynthesizing protists. All contain up to 4 kinds of chlorophyll. Unicellular and multicellular.
KEY CONCEPT Algae are plantlike protists.
ALGAE PLANT-LIKE PROTISTS. u Photosynthesis of algae generate 3/4 of the oxygen on Earth. u Eukaryotic Autotrophs u beginning of all food chains.
FROM ALGAE TO TERRESTRIAL PLANTS. ALGAE Kingdom Protista (some argue Kingdom Plantae) Photosynthetic Unicellular or Multicellular - Unicellular = Diatoms,
Plant-Like Protists (Algae) Autotrophs – photosynthetic, have chloroplasts, all have chlorophyll a Classified by pigment types / color group, food storage,
Chapter 21 Protists Do Now: Answer these in your notebooks 1- How do protists move? 2- How do protists obtain energy? 3- What domain and kingdom are they.
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