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KEY CONCEPT Fungi are heterotrophs that absorb their food.

KEY CONCEPT Fungi are heterotrophs that absorb their food. Fungi are adapted to absorb their food from the environment. Plants and fungi have different traits. Plants Fungus Cell wall = cellulose Cell wall = chitin Photosynthesis = chloroplast Heterotroph = absorb food

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KEY CONCEPT Fungi are heterotrophs that absorb their food.

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  1. KEY CONCEPTFungi are heterotrophs that absorb their food.

  2. Fungi are adapted to absorb their food from the environment. • Plants and fungi have different traits. • PlantsFungus • Cell wall = cellulose Cell wall = chitin • Photosynthesis = chloroplast Heterotroph = absorb food • through hyphae

  3. Fungi are multicellular organisms, with the exception of yeasts. • hyphae: long branching filaments • mycelium: mass of branching hyphae • fruiting body: specialized spore producing body

  4. Fungi come in many shapes and sizes. • Primitive fungi are aquatic and have flagellated spores. • Sac fungi form a reproductive sac, or ascus. • Yeasts are single-celled sac fungi. • Morels and truffles are multicellular sac fungi.

  5. form zygospores (diploid spore) during reproduction • mycorrhizae (are found on roots of certain plants) belong to this group • Bread molds are often found on spoiled food.

  6. reproductive structures called basidia • include mushrooms, puffballs, and shelf fungi • Club fungi have fruiting bodies which are club-shaped.

  7. Fungi reproduce sexually and asexually. • Most fungi reproduce both sexually and asexually. • Yeasts reproduce asexually through budding. • Yeasts form asci during sexual reproduction.

  8. Multicellular fungi have complex reproductive cycles. • distinctive reproductive structures

  9. life cycles may include either sexual or asexual reproduction or both • Multicellular fungi have complex reproductive cycles.

  10. life cycles may include either sexual or asexual reproduction or both • Multicellular fungi have complex reproductive cycles.

  11. All fungi form spores and zygotes.

  12. KEY CONCEPTFungi recycle nutrients in the environment.

  13. Fungi may be decomposers, pathogens, or mutualists. • Fungi and bacteria are the main decomposers in any ecosystem. • decompose dead leaves, twigs, logs, and animals • return nutrients to the soil • can damage fruit trees and wooden structures

  14. human diseases include ringworm and athlete’s foot • plant diseases include Dutch elm disease • Fungi can act as pathogens.

  15. lichens form between fungi and algae • Fungi can act as mutualists. • mycorrhizae form between fungi and plants

  16. Fungi can act as mutualists. • relationships form between fungi and some insects

  17. Fungi are studied for many purposes. • Fungi are useful in several ways. • as food • as antibiotics • as model systems for molecular biology

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