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Biology
Fungi &Animals
122
Biology
Undergraduate 2
04/16/2014

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Term
What do fungi do?
Definition
Break down organic material and recycle vital nutrients
Term
Fungi are ______ that feed by ____.
Definition
Heterotrophs, absorption
Term
Fungi use a number of ___ ____ to break down organic matter.
Definition
Hydrolytic enzymes
Term
4 diverse lifestyles of fungi
Definition
1) Decomposers
2) Parasites
3) Mutualist
4) Competitors
Term
2 most common body structures of fungi
Definition
1) Multi-cellular filaments (Molds)
2) single cells (Yeast)
Term
Microscopic fungi include
Definition
Yeast--single cell
Term
Macroscopic fungi include
Definition
Mold--Multicellular
Term
Hyphae
Definition
Filaments
Term
Fungi consists of
Definition
Hyphae or Mycelium
Term
Mycelium is a
Definition
Network or branched hyphae adapted for absorption
Term
Most fungi have cell walls made of
Definition
Chitin
Term
Some fungi have hyphae divided into cells by
Definition
Septa
Term
Septa have...
Definition
Pores which allow for cell to cell movement of organelles
Term
Which fungi lack Septa?
Definition
Coenocytic fungi
Term
Specialized Hyphae is called
Definition
Haustoria
Term
Haustoria allow
Definition
fungi to penetrate the tissue of their host
Term
Mycorrhizare are
Definition
mutually beneficial relationships between mycorrhizal fungi and plant roots
Term
Haustaria is known as
Definition
a penetration peg
Term
Ectomycorrhizal fungi...
Definition
form sheaths of hyphae over a root. they also grow in extracellular space of root cortex.
Term
In fungi, fertilization is...
Definition
Split
Term
Fertilization in fungi is split into
Definition
Plasmogamy and Karyogamy
Term
Plasmogamy
Definition
When cytoplasms fuse & union of two parent mycelia
Term
Karyogamy
Definition
When nuclei fuse
Term
Arbuscular mycorrhizal fungi...
Definition
extend hyphae
Term
Fungi produce spores by:
Definition
Asexual and sexual life cycles
Term
Fungal nuclei are normally
Definition
haploid
Term
Sexual reproduction in fungi require
Definition
fusion of hyphae from different mating types
Term
Sexual signaling molecules in fungi
Definition
Pheromones
Term
Once nuclei coexist in mycelium it is called
Definition
Heterokaryon
Term
When nuclei coexist in mycelium, the mycelium is known to be
Definition
Heterokaryotic
Term
in some fungi, haploid nuclei pair off, two to a cell.. this is called..
Definition
Dikaryon
Term
when haploid pair off, the mycelium is known to be...
Definition
Dikaryotic
Term
Nuclear fission is called
Definition
Karyogamy
Term
During karyogamy, the haploid nuclei fuse producing...
Definition
Diploid cells
Term
Karyogamy cells under go ___, producing ___ spores
Definition
Meiosis, haploid
Term
Molds produce ____ __ by ____ and form visible mycelia to reproduce asexually.
Definition
Haploid spores, mitosis
Term
Yeasts reproduce
Definition
Asexually
Term
Yeasts are __ __ and do not produce __.
Definition
Bud cells, spores
Term
Many molds and yeasts have no known sexual stage, theses are called..
Definition
Fungi imperfecti (Deuteromycetes)
Term
The ancestor of fungi
Definition
Aquatic, single cell, flagellated protist
Term
Fungi, animals, and their protistan relatives from the
Definition
opisthokonts clade
Term
DNA evidence suggests, animals are most closely related to
Definition
unicellular choanoflagellates
Term
Multicellularity arose
Definition
Separately in 2 groups
Term
Earliest colonizers of land
Definition
Fungi
Term
5 major divisions are known as
Definition
Phyla
Term
1 major division CHYTRIDS. Formally known as____. Found in__ __ & __ __. They can be __,___,__.
Definition
Oomycetes (water fungi. Fresh water and terrestrial habitats. They can be decomposers, parasites, or mutualists.
Term
Chytrids have ___ spores.
Definition
Flagellated
Term
Flagellated spores in Chytrids are known as
Definition
Zoospores
Term
2 major division ZYGOMYCETES. Include: fast growing ___, ___, and ___ ___.
Definition
molds, parasites, and commensal symbionts.
Term
Zygomycetes are named for their sexually produced ____. that can..
Definition
zygosporangia, which can survive harsh conditions
Term
Phylum Zygomycota typically produce
Definition
Bread molds
Term
Some zygomycetes can ___ their sporangia
Definition
aim toward conditions associated with good food sources
Term
3 major division. Glomeromycetes. once considered _____. Form a ___ ___
Definition
Zygomycetes. form a arbuscular mycorrhizae.
Term
Glomeromycete cells are ____ and without
Definition
Multinucleated, septa
Term
Asepta
Definition
being without septa
Term
Conidia
Definition
Clusters of spores
Term
4 major division. Ascomycetes. Live... and have sexual spores in a saclike...
Definition
Live in Marine, freshwater, and terrestrial habitats. Sac like Asci.
Term
Asci is usually
Definition
contained in fruiting bodies called ascocarps
Term
Ascomycetes are commonly called
Definition
Sac fungi
Term
Ascomycetes include...
Definition
plants pathogens, decomposers, and symbionts.
Term
Ascomycetes reproduce
Definition
asexually, with asexual spores called conidia
Term
Conidia are not... are produced...
Definition
formed inside sporangia. produced asexually at tips of specialized hyphae called conidiosphores
Term
5 major division. Basidiomycetes. Include:
Definition
Mushrooms, puffballs, shelf fungi, mutualists, and plant parasites.
Term
Basidiomycetes are defined by a
Definition
club-like structure called basidium
Term
basidiomycetes are also called
Definition
club fungi
Term
life cycle of basidiomycetes usually
Definition
include a long lived dikaryotic mycelium
Term
mycelium in basidiomycetes produce Basidiocarps which are
Definition
Elaborate fruiting bodies
Term
Example of Basidiocarps
Definition
Mushrooms
Term
Fungus-plant mutualisms
Definition
1)mycorrhizae are important to ecosystem and agriculture
2) plant harbor symbiotic endophytes that live in leaves or other plant parts
3) Endophytes make toxins that deter herbivores and defend against pathogens
Term
Fungus-animal symbioses
Definition
1) Fungi share digestive services with animals
2)Fungi help break down plant material in cows
3) ants and termites use digestive power of fungi by raising them in farms
Term
Lichen
Definition
Symbiotic association between a photosynthetic microorganism (algae),a nitrogen fixer (cyanobacteria), and a fungus
Term
___ or ___ occupy the inner layer below the below the lichen surface
Definition
Algae or cyanobacteria
Term
The fungi of lichens can reproduce
Definition
Sexually or asexually
Term
Lichens asexual reproductions is by the formation of
Definition
Soredia
Term
Soredia
Definition
Small clusters of hyphae with embedded algae
Term
Lichens are important pioneers on
Definition
New rock and soil surfaces
Term
Lichens are sensitive to
Definition
pollutions
Term
Death of lichens can be a warning that
Definition
air quality is deteriorating
Term
Fungi as pathogens
Definition
30%.
Term
Some fungi attack food crops and produce
Definition
mycotoxins
Term
Mycosis
Definition
Fungal infection in animals
Term
fungi can be used to
Definition
make cheese, alcoholic beverages, bread. Antibiotics. ex; penicillium
Term
to be multicellular
Definition
Must have extracellular matrix and gap juntions
Term
7 characteristics of animals
Definition
1) multicellular heterotrophs
2) cells lack cell walls
3) Most have nerves, muscles, capacity to move.
4) most reproduce sexually
5) Sensory structures and nervous system
6) Extracellular matrix
7) Cell junctions
Term
How many recognized animal phylas?
Definition
35
Term
How many main morphological and developmental features in animals
Definition
4
Term
4 main morphological and developmental features in animals
Definition
1) Different tissue types
2) body symmetry
3) true body cavity
4) embryonic development
Term
Metazoa: divided into 2 general categories
Definition
(all animals) have some specialized cell. Parazoa and Eumetazoa
Term
Parazoa
Definition
No specialized tissues or organs (sponges, porifera)
Term
Eumetazoa
Definition
More than one type of tissue or organs (arthopoda,insects)
Term
Eumetazoa are __ symmetrical or ___ symmetrical
Definition
Radial, bilateral
Term
Radial symmetry
Definition
diploblastic (2 layers)
Term
Bilateral symmetry
Definition
Trioblastic (3 layers)
Term
Bilateral animals have
Definition
Cephilization (head and tail) and dorsal and ventral sides.
Term
Germ layers
Definition
Cell layers that develop during embryo formation
Term
General pattern for embryo development
Definition
Ovum+sperm > zygote >cell cluster >blastula (hollow ball)(one cell layer=ectoderm) >gastrulation (invagination) to produce a second layer=endoderm> some will then produce a 3rd layer in the middle called mesoderm
Term
Metazoa are found in
Definition
All animals
Term
Meatazoa are split into how many categories
Definition
2
Term
The 2 categories of metazoas
Definition
Parazoa and eumetazoa
Term
Parazoa
Definition
No specialized tissues or organs such as Porifera, sponges
Term
Eumetazoa
Definition
More than 1 type of tissue and organs such as arthropod as, insects
Term
Eumetazoa symmetry
Definition
Both radial and bilateral
Term
Bilateral animals have
Definition
Cephilization, head,tail, ventral, dorsal sides
Term
11major animal Phyllis
Definition
P c p l r m a n A e c
Term
Porifera
Definition
Sponges
Term
Cnidaria
Definition
Jellyfish
Term
Platyhelminthes
Definition
Flatworms
Term
Lophophorates
Definition
Sea moss
Term
Rotifera
Definition
Wheel animals
Term
Mollusca
Definition
Mollusks
Term
Annelida
Definition
Segmented worms
Term
Nematods
Definition
Round worms
Term
Arthropoda
Definition
Insects
Term
Echinodermata
Definition
Sea urchins,sea stars
Term
Chordata
Definition
Mammals, fish, birds, reptiles
Term
Bilateral is split into 2
Definition
Deuterostomia and protostomia
Term
Protostomes dived into 2
Definition
Lophotrochozoa & ecdysozoa
Term
Lophotrochozoa
Definition
name stems from lophophore a (feeding tentacles) and trochophore larva
Term
Feeding tentacles are
Definition
arms with mouths
Term
Ecdysozoa
Definition
Named for ecdysis(molting)
Term
Ecdysozoa do...
Definition
Secrete non living cuticle
Term
Bilateral symmetry divided into 3
Definition
Lacking coelm (coelom ayes)
With pseudocoelm (pseducoelomates)
Possessing coelm (coelomates)
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