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Cody Jones

on 11 May 2010

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Transcript of Fungi

Eukaryotic heterotrophs that have cell walls made of citinh Common Fungi you may know are Mushrooms, molds, and yeasts *Fungi are Multicellular except for yeast
*Multicelluar fungi are made up of one-cell thick filaments called hyphae Fungi what is fungi The three
main types
of fungi Phylum Zygomycota
(mold) Bread mold is one typeTwo kinds of hyphae; the rhizoids that penetrate the bread and the stolons Looks “fuzzy” - many small fruiting bodiesHas sexual and asexual phase to life cycle Phylum Ascomycota * Its the Largest phylum yeast is in this phylum.Have special structure called the ascus that forms inside the fruiting body-resembles cupThe ascus allows for spores to be formed through meiosis - haploid, sexualYeast powder - these spores from ascusAlso undergo asexual reproduction through budding Phylum Basidiomycota Specialized reproductive structure that resembles a club or umbrella, called the basidium Fruting bodies develop very quickly, sometimes overnight - this is do to cell enlargement using waterMushroom cap is lined with gills in the inside, lined with basidia which produce the sporesSome are edible. Some poisonous. Key facts Fungi Reproduction AsexualHyphae breaks off and grows on its ownReleases spores from fruting body that can divide by mitosis into new mushroomsSpores usually released into the air but some fruting bodies lure carriers SexualSome fungi have hyphae of
different mating types
- like male and femaleCome into contact and fuse Structure of a Fungus The hyphae make a thick
matt called a mycelium that
absorbs foodFungi form a Fruiting Body
from the mycelium which is
responsible for reproductionMany fruting bodies may sprout
from the mycelium Five
Kingdoms Plantae Ferns REPRODUCT ION Ferns reproduce thru spores
on the back of the leaves that look like
little black dots ferns were
the first
plants to have a
vascular system Moss mosses are seedless
non vascular byophutes Because of this they grow close to the ground and the need water to reproduce Gymnosperms *conifers
*Have needles
*"naked Seed"
*most evergreen
*their built for dry areas Angiosperms *Flowers
*enclosedseed (fruit)
*Have developed unique systems that have made them the most successful they have systems in place that attract insects to help with their fertilization. And use vertebras to spread their seed. animal kingdom Phylum Porifera
(Sponges) *Have holes*First animals*Asymmetric*Hollow* They need the movement of water to live -for feeding and respiration*Filter feeders*Sexual and asexual reproduction Phylum Cnidariam(Jellyfish, Sea Anemones, Corals) 2nd Phylum 1st Phylum *Soft bodied *Carnivorous animals *Use tentacles to kill prey/predators* Live in water * Have hydrostatic skeleton*Radial symmetry*Sting cells*Nerve net covers body*Reproduction both sexually and asexually *Bilateral symmetry*cephalization and internal organs*Average only few mill meter thick*Rely diffusion for respiration, excretion and circulation* Have early signs of a brain*Eyes only light and dark*Male & female reproduction organs Phylum Platyhelminthes(Flatworms, Flukes, Tapeworms) 3rd Phylum Phylum Nematoda (Roundworms, Hookworms, Trichinella, filarial worm, heartworms, acarid worms) *Free living in water/land
*Have cavity that runs from mouth to an anus*No internal transport system * Gases exchanged thru skin*More complex sense organ*Reproduce sexually*Most Predatory/parasitic 4th Phylum 5th Phylum Phylum Annelida(Earthworm, leaches, Ect.) *True coelom with crop and gizzard
*Circulatory system closed
* Have blood vessels
*Have early sign of heart
*Breathe thru skin
*Simple muscles
*Sexually reproduction
*Some hermaphroditic 6th Phylum Mollusca(Mollusks, snails, slug, clams, squids) *Soft Bodied*Often have a shell *Have larva stage*Have jaws and teeth*Most intelligent invertebrates are in this phylum*Reproduce sexually*External/internal fertilization 7th Phylum Arthropoda(Insect) *Breathe through spiracles*Have a developed heart and circulatory*Have brain and nervous system*Sexual reproduction done internally and externally*Classified on # segments*Undergo metamorphosis 8th
Phylum Arthropoda *Exoskeleton
*Jointed appendages
*Exoskeleton made of chitin
*Have fewer segments *Eats lots of different foods 9th *Dorsal, Hollow nerve cord*Notochord
*Pharyngeal pouches
* Tail that goes past the anusat some point
in life may lose Phylum Chordata
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