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LAB 1 Review
DOMAIN: Eukarya
116
Biology
Undergraduate 1
03/04/2009

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Term
Where is the organism Giardia lamblia found?
Definition
Contaminated water
Term
What characteristics do organisms have that place them in the supergroup Excavata?
Definition
excavated groove on one side of cell body and a simple cytoskeleton
Term
What are the symptoms that Giardia lamblia causes?
Definition
diarrhea and cramps
Term
What characteristics are specific to the clade, Diplimonads?
Definition
Two haploid nuclei and mitchondria called mitosomes.
Term
What characteristics are specific to the clade Parabasalids?
Definition
Undulating membrane (modified flagella)
and modified mitochondria called hydrogenosomes
Term
What clade is Trichimonas vaginalis in?
Definition
Parabasalids
Term
What does Trichomonas vaginalis cause?
Definition
vaginitis
Term
How is Trichomonas vaginalis transmitted?
Definition
through sexual intercourse
Term
What characteristics do organisms from the clade Euglenozoans have?
Definition
unique flagella
Term
What characteristics are specific to the group Euglenids?
Definition
They have an anterior chamber
Term
Where is the organism, Euglena found?
Definition
fresh water
Term
Where is the flagella located on the organism, Euglena?
Definition
Anterior end
Term
What are the two groups of Euglenozoans?
Definition
Euglenids and Kinetoplastids
Term
What characteristics are specific to the group kinetoplastids?
Definition
single large mitochondrian and kinetoplast
Term
What group, clade and supergroup does Euglena belong to?
Definition
Group: Euglenids Clade: Euglenozoans Supergroup: Excavata
Term
What group does the organism Trypanosoma belong?
Definition
Kinetoplastids
Term
What does Trypanosoma cause?
Definition
African sleeping sickness and Chagas disease
Term
How is Trypanosoma transmitted?
Definition
for African Sleeping Sickness: TseTse fly
for Chagas disease: kissing bug
Term
What characteristics are responsible for placing an organism in the supergroup Chromalveolata?
Definition
DNA Sequences and secondary endosymbiosis
Term
What clades are in the Supergroup Chromalveolata?
Definition
alveolates and stramenopila
Term
What characteristics do all Alveolates have?
Definition
membrane bound cavities under their membrane
Term
What groups are in the clade, Alveolates?
Definition
Dinoflagellates, Ampicomplexans, and ciliates
Term
What characteristics are specific to the group Dinoflagellates?
Definition
Photosynthetic (by pigment xanthophyll)
Two flagella (apical and central)
Term
What group is the orgranism, Peridinium belong?
Definition
Dinoflagellates
Term
What does Peridinium cause?
Definition
red-tides
Term
What does the organism, Peridinium release?
Definition
Nuerotoxins
Term
What characteristics are specific to Ampicomplexans?
Definition
All parasites with an apical structure for entering the host.
Term
What group does the organism Plasmodium belong?
Definition
Ampicomplexans
Term
What does the organism, Plasmodium cause?
Definition
Malaria
Term
How is the organism, Plasmodium transmitted?
Definition
Through the bite of a mosquito
Term
What parts of a human does the organism Plasmodium attack?
Definition
enters and attacks liver
Divides and enters red blood cells by apical complex which then release gametocytes into blood.
Term
What characteristics are specific to Ciliates?
Definition
contain cilia which are used for movement and/or feeding and Two types of nuclei (micro and macro)
Term
What group does the organism Paramecium belong?
Definition
Ciliates
Term
What group does the organism Vorticella belong?
Definition
Ciliates
Term
What group does the organism Spirostomum belong?
Definition
Ciliates
Term
How do Ciliates reproduce?
Definition
Asexual with Transverse Binary Fission or with genetic recombination with conjugation.
Term
In conjugation, of ciliate reproduction, which nuclei are exchanged?
Definition
micronuclei
Term
What groups are in the Clade: Stramenopila?
Definition
Chrysophyta, Phacophyta, Oomycota, Bacillariophyta
Term
What characteristics do all stramenopila have?
Definition
Straw hair-like projections located on flagellum.
Term
What characteristics are specific to Bacillariophyta
Definition
overlapping silica tests which is a glass-like shell.
Term
How are the organisms, Diatoms used?
Definition
In filters and toothpaste
Term
What characteristics are specific to Chrysophyta?
Definition
Biflagellated and pigments (carotene and xanthophyll)
Term
What group do Diatoms belong?
Definition
Bacillariophyta
Term
What group does the organism Vaucheria belong?
Definition
Chrysophyta
Term
What characteristics are specific to the group Phaeophyta?
Definition
Cell wall: cellulose and algin
pigments: carotene and xanthophyll
Term
What group does the organism Fucus belong?
Definition
Phaeophyta
Term
What group does the organism Laminaria belong?
Definition
Phaeophyta
Term
What group does the organism Sargassum belong?
Definition
Phaeophyta
Term
What characteristics are specific to the group Oomycota?
Definition
Hyphae made of cellulose and lost plastids
Term
What group does the organism Saprolegnia belong?
Definition
Oomycota
Term
What two major problems did the organism Saprolegnia cause?
Definition
The Irish potato famine and the French wine crisis
Term
What characteristics does Saprolegnia have in common with protista?
Definition
Produce flagellated reproductive cells
cell walls made of cellulose and it is amoeba or algae-like
Term
What characteristics does Saprolegnia have in common with fungi?
Definition
Hyphae, it is non-photosynthetic and produce sporangia
Term
What is the common name for Saprolegnia?
Definition
Water mold
Term
Brown algae plant belongs to what generation (Is it haploid or diploid)?
Definition
diploid
Term
What characteristics are responsible for placing organisms in the Supergroup: Rhizaria
Definition
DNA Sequences and thread-like psuedopodia
Term
What characteristics are specific to Radiolarans?
Definition
Fused shells (test) usually made up of silica
Term
Where do the organisms, Radiolarian strew live?
Definition
Mostly marine and usually planktonic.
Term
What are the tests on Radiolarian strew made of?
Definition
Silica
Term
What three groups are in the Supergroup Rhizaria?
Definition
Chlorarachniophytes, Radiolarians, and Foraminiforens
Term
What characteristics are specific to Foraminiforens?
Definition
Porous shells (tests) made of calcium carbonate
Term
Where do Foraminiforens live?
Definition
Marine and freshwater
either in sand or attached to rocks and algae. They can also be floating as algae
Term
What are the tests of Foraminiforens made of?
Definition
calcium-carbonate
Term
What groups are in the Supergroup Archaeplastida?
Definition
Rhodophyta and Chlorophyta
Term
What characteristics are responsible for placing organisms in the supergroup Archaeplastida?
Definition
Endosymbiosis of cyanobacteria
Term
What characteristics do all Rhodophyta have?
Definition
Red pigment called phycoerythrin and they lack a flagella
Term
What group does the organism Carollina belong?
Definition
Rhodophyta
Term
What is the common name for Rhodophyta?
Definition
Red algae
Term
What group does the organism Chondrus belong?
Definition
Rhodophyta
Term
Where do Rhodophyta live?
Definition
warm coastal waters
Term
How do Rhodophyta disperse their gametes?
Definition
water currents since they lack a flagella
Term
What characteristics do all Chlorophyta have?
Definition
pigments: Chlorophyll A, Chlorophyll B, carotenoids, and cell wall of cellulose
Term
What cellular forms are seen in the group Chlorophyta
Definition
They are unicellular, colonial and multicellular
Term
What group does the organism Chara belong?
Definition
Chlorophyta
Term
What group does the organism Acetabularia belong?
Definition
Chlorophyta
Term
What group does the organism Ulva belong?
Definition
Chlorophyta
Term
What group does the organism Cladophora belong?
Definition
Chlorophyta
Term
What group does the organism, Desmids belong?
Definition
Chlorophyta
Term
Where are Desmids found?
Definition
They are found floating in fresh water
Term
What group is the organism Volvox in?
Definition
Chlorophyta
Term
What type of cellular form do they exhibit?
Definition
Colonial
Term
What are some characteristics of the organism Volvox?
Definition
It is a colonial species that consists of hundreds to thousands of vegetative cells, arranged in a single spherical layer, held together by a gelatinous secretion and joined by protoplasmic strands
Term
What group does the organism Protococcus belong?
Definition
Chlorophyta
Term
What type of cellular form does the organism Protococcus exhibit?
Definition
unicellular or found in small colonies
Term
Where is the organism, Protococcus found?
Definition
The north side of tree trunks
Term
What group does the organism Spirogyra belong?
Definition
multicellular filaments
Term
What part of the life cycle of the Spirogyra is diploid?
Definition
Zygospore is diploid, the rest is haploid: filaments and gametes
Term
Why are gametes in Spirogyra referred to as isogametes?
Definition
They are identical in size and appearance even though they are from different gametes.
Term
What group does the organism Ulothrix belong?
Definition
Chlorophyta
Term
What structure in the Ulothrix demonstrates specialization?
Definition
the holdfast
Term
Are the filaments in the Ulothrix haploid or diploid?
Definition
Haploid
Term
What Clades are in the Supergroup Unikonta?
Definition
Amoebazoans and Opisthokonts
Term
What groups are in the Clade Amoebazoans?
Definition
Gymnamoebas, Entamoebas, Plasmodial slime molds and Cellular slime molds.
Term
What characteristics are responsible for placing organisms in the Supergroup: Unikonta?
Definition
Myosin protein and multiple genes
Term
What characteristics do all amoebazoans have in common?
Definition
Broad lobe-shaped psuedopodia
Term
What characteristics are specific to Gymnamoebas?
Definition
Lack a shell (test)
Term
What group does the organism Amoeba belong?
Definition
Gymnamoeba
Term
Where are amoebas found?
Definition
found in soil, fresh water marine environments
Term
How are parasitic Gymnamoebas passed?
Definition
Spread through contamination of food and water, they can cause disease
Term
What characteristics are specific to Entamoebas?
Definition
All parasitic
Term
What group is the organism Entamoeba histolytica belong?
Definition
Entamoebas
Term
What are the symptoms caused by the species, Entamoeba histolytica
Definition
amebic dysentery
Term
How is Entamoeba histolytica passed to humans?
Definition
contaminated food or water
Term
How many deaths does the organism Entameoba histolytica cause?
Definition
100,000 deaths per year
Term
How many different species of Entamoebas are found in humans?
Definition
6
Term
Which species of Entamoebas is pathogenic in humans?
Definition
Entamoeba histolytica
Term
What characteristics are specific to Plasmodial Slime mold?
Definition
Hyphae (coenocytic - multinucleated)
Term
What group does the organism Physareum belong?
Definition
Plasmodial Slime Molds
Term
Are the hyphae of the Plasmodial Slime Mold coencytic or septate?
Definition
coencytic
Term
Why do the organisms, Plasmodial Slime Mold group together?
Definition
For feeding and sexual production
Term
What characteristics are specific to Cellular Slime Molds
Definition
septate hyphae
Term
Are the hyphae in the organism Dictyostelium coencytic or septate
Definition
septate
Term
Why do the organisms, Dictyostelium group together?
Definition
Environmental stress and sexual reproduction.
Term
What characteristics do all opisthokonts have
Definition
Posterior location of flagella
Term
What characteristics are specific to Nucleariids?
Definition
Amoebas that feed on bacteria and algae.
Term
What characteristics are specific to Choanoflagellates?
Definition
collar that surrounds flagellates.
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