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The Kingdom Fungi 12 - 1

The Kingdom Fungi 12 - 1. BIO 1004 Flora. Fungi. Fungi – eukaryotic heterotrophs that have cell walls Cell walls are composed of _________. Complex carbohydrate that is found in external skeletons of insects Do not ingest food, then decompose it outside their bodies and then absorb it.

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The Kingdom Fungi 12 - 1

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  1. The Kingdom Fungi12 - 1 BIO 1004 Flora

  2. Fungi • Fungi – eukaryotic heterotrophs that have cell walls • Cell walls are composed of _________. • Complex carbohydrate that is found in external skeletons of insects • Do not ingest food, then decompose it outside their bodies and then absorb it.

  3. Structure of Fungi • Except for yeast, all fungi are multi-cellular • Composed of thin filaments called ______. • Each hyphae is only one cell thick • Can contain many nuclei • Contains pores allowing cytoplasm and nuclei to move • Hyphae tangle into thick masses called “mycelium” • What you recognize as the fungus is the “fruiting body” • This is the reproductive structure growing from the mycelium in the soil beneath it • Clusters are often the same organism

  4. Reproduction • Most fungi reproduce sexually and asexually • Asexual – hyphae break off and start growing on their own • Some use spores that grow into their own organism • Spores are produced in “sporangia” located in specialized hyphae called “sporangiophores”

  5. Sexual Reproduction • Gametes in fungi are the same size • Not called male and female, but + and – • Hyphae of opposite mating types meet, they fuse and bring + and – together • Grow a zygote through meiosis and those spores will be released (zygote) • How do fungi spread???

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