'Extracellular digestion' presentation slideshows

UNIT 7

UNIT 7. INVERTEBRATES PART 2. ARTHROPODS. ARTHROPOD CHARACTERISTICS. Largest phylum of animals Most marine arthropods are crustaceans Body is segmented, bilaterally symmetrical Jointed appendages Exoskeleton made of chitin Molt (shed exoskeleton) small. CRUSTACEANS.

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The Digestive System

The Digestive System. Digestive System. ? a group of organs working together to convert food into energy and basic nutrients to feed the entire body .

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FUNGI

FUNGI. FUNGI. Why do we care?. Antibiotics. Decomposition. Food. Symbiosis. Lichens Mycorrhizae. Pathology. General Characteristics. Eukaryotic Mostly multicellular Mostly haploid Chemoheterotrophic Extracellular digestion via exoenzymes Saprobes (decomposers) Parasites

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Phylum Cnidaria

Phylum Cnidaria. Jellyfish, hydra, sea anemones, & coral. Appearance. Polyp : cylindrical, pine shaped animals that are usually attached to a rock or Ex. Hydras, sea anemones, corals Medusa : bell-shaped body; umbrella

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Classification

Classification Biologists have estimated that there are many trillions of organisms on our planet. We need to classify or sort them into groups to help us study them. . Classification.

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Unit 8 Invertebrates

Unit 8 Invertebrates. Ch. 29 Comparing Invertebrates. Invertebrate Phylogeny. Evolutionary Trends. All invertebrates except sponges exhibit some type of body symmetry Invertebrates with cephalization can respond to the environment in more sophisticated ways than simpler invertebrates.

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Fungi

Fungi. Fungi. Domain: Eukarya Kingdom: Fungi Phylum: N/A. Reproduction. Produce sexual spores Spores carried in air or attached to the bodies of insects or animals Special hyphae called sporangia in the zygomycetes Special hyphae called conidia in the ascomycetes and basidiomycetes

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Phylum Mollusca

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Kingdom Fungi

Kingdom Fungi. G.Burgess 2009. Characteristics. Multicellular Heterotrophic Cell wall made of chitin nonvascular Reproduction asexual (fragmentation) and sexual reproduction (spores). Extracellular digestion Absorb materials through mycelium (branching filaments called hypha).

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Assessment Overview Week 12 Mon & Tue ? Making yoghurt Week 12 Thu & Fri ? Research Project Week 1 Mon ? Re

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List the main components of the human digestive system (in order)

List the main components of the human digestive system (in order) List three functions of the liver. What is the difference between intracellular and extracellular digestion. Give an example of a specific organism for each type.

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