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117 Cards in this Set
- Front
- Back
Are fungi eukaryotic or prokaryotic?
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Eukaryotic
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What ploidy are fungi
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haploid
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Are fungi hetertrophic or autotrophic
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heterotrophic
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how to fungi feed
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by secreting a digestive enzyme into surrounding and then absorbing the nutrients
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what is the study of fungi
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mycology
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Most fungi are _______
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decomposers
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Parasitic fungi can cause
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athletes foot
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What is an important role of fungi
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put nitrogen back into the soil in a usable form for other organisms such as plants
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Are fungi motile or non-motile
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non-motile, produce spores but are not flagellated
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Do fungi reproduce sexually or asexually
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both asexually or sexually through spores, dispersed mainly by wind
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What are fungi cell walls composed of
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chitin
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Are fungi only multicellular
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no they range from unicellualr to multicellular
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what is a hyphae
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a tissue like aggregation, branched in fungi
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what is a mycelium
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network of hyphae
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septate
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cross walls that divide hyphae into compartments, "cells"
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non-septate
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coenocytic, nuclei float freely in cytoplasm
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dikaryotic
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two nuclei in cell
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How many phyla/divisions are in kingdom fungi
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5
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sporocarp
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also known as the fruiting body, a multicellular structure on which spore producing structures are borne
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Name the 5 phyla of kingdom fungi
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zygomycota
ascomycota basidiomycota deutermycota chytridiomycota |
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true or false: majority of fungi live above ground
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false
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Zygomycota are mostly ________ living in soil. Some are __________ and some have ___________ with plants
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decomposers; parasitic ; mutualistic relationships (symbionts)
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Zygomycota fungi are non-septate or septate
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non-septate
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what is the polidy of zygomycota
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haploid
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septa
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reproductive structures only produced during reproduction
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what is an example of a zygomycota, common and scientific name
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black bread mold, rhizopus stolonifer
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During asexual reproduction of Rhizopus what are the spores called and they are formed within the ___________
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sporangiophores; sporangia
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During asexual reproduction of Rhizopus what ploidy are the hyphae
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haploid
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Sexual reproduction of Rhizopus is heterothallic or homothallic
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heterothallic
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heterothallic
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when two opposite mating types come in contact (- and +)
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gametangia must fuse to form
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zygospore
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gametangia are ___ploid while zygospores are ____ ploid
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haploid; diploid
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for Rhizopus what occurs directly after the fusing of the two gametangia
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A diploid zygote forms and meiosis begins immediately after producing 4 haploid spores
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why is the common name for Rizopus stolonifer black bread mold
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This is because the zygote is black
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What does the phylum Ascomycota include
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yeasts, edible morels and truffles
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Bread rises because of what
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CO2
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Ascomycota are symbionts with _______ specifically with ______
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plants; the root systems
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Are ascomycota septate or coenocytic?
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septate with perforations (pores)
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What type of food is sniffed out by pigs and dogs? Is it valuable?
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Truffles; yes they are $200 a pound
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What is an example of Ascomycota, common and scientific name
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Black Morel, Morchella elata
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Aleuria rhenana
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False orange peel
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the defining feature of the ascomycota is the
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ascus
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ascus
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a sexual structure in which non-motile sexual structures called ascospores are produced
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Are Ascomycota asexual or sexual
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both
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Asexual reproduction in ascomycota
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special hyphae produce canidiophores --> conidia
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For Ascomycota is sexual reproduction heterthallic or homothallic
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heterthallic
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The fruiting body of the Ascomycota is called
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ascocarp
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What is the maximum number of ascospores present in an ascus
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8
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what is the name given to the spore when + and - fungal strains fuse
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zygospore
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a large cell that contains many nuclei
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coenocyte
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Plasmogamy
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the fusion of two hyphae
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karyogamy
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the fusion of two nuclei
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Yeasts are mostly
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unicellular ascomycetes but some are multicellular basidiomycetes
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Yeasts reproduce asexually by
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budding
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Yeasts reproduce sexually by
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ascospores
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which yeast is used for beer making?
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Saccharomyces
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yeast infections are caused by
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Candida albicans
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What is in the phylum Basidiomycota
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mushrooms and toadstools
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Is chytridiomycota multicellular or unicellular
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mostly unicelluar
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what types of environments are chytridiomycota in
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mostly in water, moist but some are terrestrial in soil
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Through asexual reproduction chrtridiomycota produce
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flagellated zoospores produced in a single cell
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zoosporangium give rise to
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chytrids
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What era were the first non-vascular plants in
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mid-ordovician
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what era were the first vascular plants in
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late-ordivican/ early silurian
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what are vascular plants believed to have derived from
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charophycean, green algal ancestor
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Non-vascular plants lack
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xylem and phloem
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name the three phyla of non-vascular plants
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mosses, liver warts, horn warts
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what phylum are mosses
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bryophyta
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Non-vascular plants exhibit alternation of generations
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a haploid gametophyte and diploid sporophyte
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Doctrine of Signatures
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use plants or parts of plants that resemble human parts body parts to cure ailments in that part of the body
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what is required to alternate generations
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meiosis
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liverworts are believed to treat
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liver ailments
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Fossil liverwart was discovered in what year from what era
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2008, Devonian (New York)
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Liverwarts are a sister group to what
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vascular plants
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Liverwart spores discovered in what year from what era and in what country
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2010, Middle Ordovician , Argentina
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Moss gametophyte ploidy
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haploid
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moss gametophyte is made up of a stem like structure called __________ which lacks a _________ and _________
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caulid, cuticle and stomata
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in mosses H20 is absorbed through the
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cauild and phyllids
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in moss gametophytes what are responsible for anchorage
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rhizoids
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what are phyllids
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leaf like structures on moss gametophytes that lack stomata
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hydriods
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conducting cells which conduct water and minerals lack protoplast and secondary wall
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leptoids
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conduct photosynthesis, lack nucleus but have a protoplast
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moss gametophyte is made up of only what type of cells
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parenchyma
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most mosses lack conducting cells which are
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hydroids, leptoids
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moss gametophyte what produces the sperm
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antherida
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moss gametophyte what produces the egg
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archegonia
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moss sporophyte is what ploidy
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diploid
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moss sporophyte are nutritionally dependent on
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gametophyta
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in moss sporophyte what allows the transport of nutrients
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foot
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do moss sporophytes contain stomata
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yes
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what did land plants evolve from
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green algae !!!!
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vascular plants contain
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xylem and phloem
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true or false vascular plants are only seedless
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false, they can be seedless or seed plants
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name the types of seedless plants
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ferns, whisk ferns, ground pines, spike mosses, quillworts, horsetails
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what phylum are ferns in
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polypodiophyta
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seedless vascular plants exhibit alternation of generation from what to what
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sporophyte to gametophyte
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name the five different types of seed plants
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conifers, ginkgo, cycads, gnetophytes, flowering plants
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Ginkgo biloba is found in what country
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china
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phylum gnetophyta is what type of vascular plant, seed or seedless and what is classified in it
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seed plant, ephedra which is used for weight loss
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gymnosperm
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meaning naked seed, not enclosed in fruit, not flowering
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what is the oldest micro fossil remain of vascular plants
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cooksonia
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do cooksonia contain vascular tissue
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some do some do not
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cooksonia is restricted to what types of habitats
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areas around lakes
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ll cooksonia exhibit __________ branching
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dichotomous
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algaophyton major is from what era
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early devonian
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what are the leaves of fern sporophytes called
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fronds
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what leaf arrangement do sporophyte ferns have
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pinnately compound
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in sporophyte ferns sexual reproduction occurs where
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underside of leaves
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gametophyte ferns lack ______ but have ______
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vascular tissue but have rhizoids
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Homosporous
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1 type of spore produced
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hetersporous
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2 types of spores produced
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megaspore
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female gametophyte
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microspore
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male gametophyte
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prophyll
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leaf lacking vascular tissue
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microphyll
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leaf which has a single unbranched vascular bundle
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megaphyll
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leaf which has branching vasculature
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sporophylls may be aggregated together to form _________
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cones or strobili
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