photosynthetic‚ plants found in the biosphere Most are autotrophs (synthesize own food with help of solar energy) Contains about billion types of plant species Based on biologists‚ plants are divided into four main groups: 1. Phylum Bryophyta 2. Phylum Pteridophytae 3. Phylum Angiosperms 4. Phylum Gymnosperms These four main groups were classified based on: The presence/absence of vascular tissues (xylem and phloem; transport of nutrients) The presence/absence of seeds Two types of plants 1. Non-Flowering Mosses
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Bacillariophyta‚ Oomycota‚ Phaeophyta and Chrysophyta - Phylum Bacillariophyta (Diatoms) Photosynthetic Freshwater and marine; large component of phytoplankton Cell walls are two valves with silica; overlap at the girdle Abundant fossils (diatomaceous earth) ~ 11‚500 species Reproduction mostly by fission -Phylum Oomycota (water molds and parasitic fungi-like protists) Vegetative
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Phylum Porifera  Basic Characteristics No definine symmetry Bodies are multicellular‚ with few tissue and no organs. The cells and tissues surround a water filled space but there is no body cavity. Has no nervous system Has a larval stage. Are all filter feeders. Sponges are among the oldest animals‚ being discovered about 500 million years ago! Phylum Cnidaria JellyFish  Basic Characteristics Live in both fresh water‚ and salt water. Radial Symmetry; typically quadramous
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20.1 KEY CONCEPT-Plant life began in the water and became adapted to land. Plants are multicellular eukaryotes‚ most of which produce their own food through photosynthesis and have adapted to life on land. Plants share many characteristics with green algae. Both are photosynthetic eukaryotes with the same types of chlorophyll. Both also use starch as a storage product and have cell walls that contain cellulose. One ancient species of green algae is the common ancestor of all plants. If it were
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Ciliates – phylum Ciliophora - have large numbers of cilia = tightly packed rows of short flagella used for movement - complex unicellular heterotrophs - body walls are tough but flexible – can squeeze through or around many obstacles -
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– fixed solar energy Heterotrophy – Digestion to get energy Mix trophy – Both traits 02/05 Domain Eukarya “Super group Unikonta” Kingdom Fungi 1. Phylum Zygomycota a. Rhizopus b. Pilobolus 2. Ascomycota “Sac fungi” a. Morchellin b. Saccaronyces 3. Phylum Basidiomycoa “Club fungi” a. Mushroom‚ Shelf Fungi‚ Puffballs 4. Phylum Deuteromycota a. Imperfect fungi b. Aspergillus c. Penicillius Fungi are heterotrophic‚ they feed off other things: Saprophytic = Get energy from dead
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Diversity in Living Organisms (Science) |Close X | |[pic] Classification And Evolution Classification refers to the identification‚ naming‚ and grouping of organisms into a formal system based on similarities in their internal and external structure or evolutionary history. It determines the methods of organizing diversity of life on earth. Therefore‚ classification helps in understanding millions of life forms in detail. Who started the classification of organisms? Let us explore the history of
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smaller groups‚ called Phyla. Each Phylum is split into smaller groups called Classes‚ each Class is split into Orders‚ each Order is split into Families‚ each Family is split into Genera‚ and each Genus is split into Species. A Species is a single organism‚ not a group. Some examples of species would be Southern Leopard Frog‚ Honey Mushroom‚ or White Oak. All seven types of groups go in order from largest to smallest‚ like this: ➢ Kingdom ➢ Phylum ➢ Class ➢ Order ➢
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DISCUSSION Bryophytes are seedless plants without specialized water conducting tissues. Bryophytes include mosses (phylumBryophyta)‚ liverworts (phylum Marchantiophyta Hepatophyta)‚ and hornworts (phylum Anthocerophyta). They are plants that virtually everyone has seen‚ but many have ignored. The most commonly encountered group is the green mosses that cover rotting logs‚ anchor to the bark of trees‚ and grow in the spray of waterfalls‚ along streams and in bogs. Even though mosses often thrive in
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animals from my favorite place‚ the Rainforest! Frogs [pic] We will start our journey with The Poison Dart Frog. Before I tell you any information about it. I will tell you about its classification. • Kingdom: Animalia • Phylum: Chordata • Class: Ampidibia • Order: Anura • Family: Dendrodatide • Genus: Several genera • Species: Many Types Now we can get to the information on this amazing animal…. Location: The Poison Dart
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