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Biology Chapter 21 Section 1 Kingdom Fungi

Miller Levine Dragonfly Book

Mark Meredith

on 4 January 2013

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Transcript of Biology Chapter 21 Section 1 Kingdom Fungi

Kingdom Fungi The zygote enters meiosis and produces haploid spores.
These spores are capable of growing into new organisms. Reproduction in Fungi Most fungi reproduce both asexually and sexually. Reproduction in Fungi Sporangia are found at the tips of specialized hyphae called
sporophytes. Most fungi reproduce
both sexually and asexually.
neither sexually or asexually. The hyphae that make up multicellular fungi are
long chains that are several cells thick.
thin filaments that are sometimes divided into cells.
the fruiting bodies used in reproduction.
the structures that grow above ground. The cell walls of fungi are made up of
cellulose. Sexual reproduction involves two mating types: “+” (plus) and “–” (minus).

Hyphae of opposite mating types meet and fuse, bringing “+” and “–” nuclei together in one cell. Reproduction in Fungi Copyright Pearson Prentice Hall Besides being decomposers, some fungi are parasites and carnivorous. Structure and Function of Fungi Fungi are eukaryotic heterotrophs that have cell walls.

Their cell walls contain chitin, a complex carbohydrate. What Are Fungi? The part of the mushroom that appears above ground is the
mycelium, or main body of the fungus.
photosynthetic organ of the fungus.
reproductive structure of the fungus.
structure used to capture prey. Asexual reproduction occurs when hyphae break off and begin to grow on their own.

In some fungi, spores are produced in structures called sporangia. Reproduction in Fungi Copyright Pearson Prentice Hall The bodies of multicellular fungi are composed of many hyphae tangled together into a thick mass called a mycelium.

The mycelium permits a large surface area to come in contact with the food source through which it grows. Structure and Function of Fungi Except for yeasts, all fungi are multicellular.

Fungi are made up of thin filaments called hyphae. Each hypha is only one cell thick. Structure and Function of Fungi Structure and Function of Fungi The Kingdom Fungi Cordyceps Nematode Capture
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