Biology Unit 5 Quiz 3
cellular slime mold
the common name of protists which are species of the phylum Acrasiomycota
colonial
The thallus type of Volvox is ___________________. filamentous colonial multicellular unicellular
silicon
The three-dimensional glass-like structure encasing each diatom is composed mostly of ___________________ cells .
fresh water and as plant parasites
The two types of environments in which we are likely to find water molds are _____________________________________________________________________________________________. fresh water and as plant parasites polluted water and diseased plants oceans and lakes rivers and streams
diatomaceous earth
deposits of the fossilized remains of diatoms
brown algae
the common name of plant-like protists which are phaeophytes, mostly composed of multicellular algae with a characteristic brown color
diatoms
the common name of plant-like protists which are species of the phylum Bacillariophyta, characterized by a silicon-based symmetrical exoskeleton
green algae
the common name of plant-like protists which are species of the phylum Chlorophyta, most species of which are various shades of green due to the presence of chlorophyll
golden-brown algae
the common name of plant-like protists which are species of the phylum Chrysophyta, characteristic color is the result of the blend of green and red pigments
euglena
the common name of plant-like protists which are species of the phylum Euglenophyta, characterized by presence of flagellum
dinoflagellates
the common name of plant-like protists which are species of the phylum Pyrrophyta, characterized by having two flagella of two different lengths
red algae
the common name of plant-like protists which are species of the phylum Rhodophyta, mostly composed of multicellular algae with a characteristic red color
feeding phase
the life cycle phase of slime mold when feeding and growth are taking place
slug phase
the phase in the life cycle of cellular slime mold when the individual cells congregate into a slug-like structure from which fruiting bodies will form
algal bloom
the rapid, extensive growth of algae as the result of early perfect growing conditions
phycology
the study of algae
daughter colonies
in the species Volvox, the new colonies growing inside an older parent colony, which colonies are released when the older colony ruptures
as thickeners
Carrageenan and algin are used in what way by the food-processing industry? as flavoring agents in yogurt production to make cheeses as thickeners
True
Diatomaceous earth is used as a mild abrasive, as an insulator, and as a stabilizer in dynamite. True False
worm-like
Euglenoid movement can best be described as: rapid sloth-like worm-like non-existent
from an area affected by red tide
A person can become sick with NSP (Neurotoxic Shellfish Poisoning) by eating shellfish _____________________________________________________________________________. that has not been cleaned properly that has not been cooked properly from heavily polluted waters from an area affected by red tide
hairy ball
A(n) ____________________________ best describes a Synura colony. elongated sphere double cell hairy ball ovoid
They do not have true vascular parts. They possess significantly different reproductive features. Their cells do not differentiate.
Even though algae can produce their own food through photosynthesis, they are not part of the Plantae kingdom. Select the reasons why. They are mostly found in aquatic environments. They do not have true vascular parts. They possess significantly different reproductive features. Their cells do not differentiate.
aethalium
In plasmodial slime molds, the plasmodium transforms into reproductive stage called a(n) _______________________. fuligo plasmium septica aethalium
motility no cell wall pellicle
In the past, euglena have been classified as a protozoan because they have: motility no cell wall a food vacuole pellicle
oil
In what form do both golden-brown algae and diatoms store their food? simple sugars glucose carbohydrates oil
Much of Ireland's potato crop was destroyed by blight.
What was the ultimate cause of the large immigration from Ireland to the United States in the mid-nineteenth century? The Irish government taxed farm crops so people couldn't afford to eat. Farm land was plentiful and inexpensive in the United States. Wheat, the main ingredient to make bread, was almost impossible to grow. Much of Ireland's potato crop was destroyed by blight.
plasmodium
a nonwalled mass of cytoplasm possessing many nuclei
phycoerythrin
a red pigment found in the red algae and in a few cyanobacteria
aethalium
a spore-bearing structure of plasmoidal slime mold
euglenoid movement
a worm-like movement of euglena, accomplished by expanding and contracting the entire cell
kelp forest
an undersea ecosystem similar in complexity to terrestrial forests
kelp
any one of certain large, tough, brown seaweeds, which are a source of potassium, iodine, algin, and sodium carbonate
red tide
the algal bloom of a member of the phylum Pyrrophyta (dinoflagellates)
thallus
the body structure of an alga
plasmodial slime mold
the common name of fungi-like protists which are species of the phylum Myxomycota, characterized by a multi-nucleated feeding structure called a plasmodium
water mold
the common name of fungi-like protists which are species of the phylum Oomycota, most species of which are either plant parasites or found in fresh-water environments
False
Kelp forests are often located on land near oceans. True False
kelp algae
Laminaria is the scientific name for: carageenan kelp algae seaweed agar
shellfish harvesters hotels restaurants fishing
Select businesses that have been negatively affected by a severe red tide in the Gulf Coast of Florida. shellfish harvesters hotels restaurants fishing
When present, the cell walls are composed of cellulose. At some point in their life cycle, these species are motile.
Select reasons why members of phyla Acrasiomycota, Myxomycota, and Oomycota not classified in the kingdom Fungi. In their early stages, these species can perform photosynthesis. When present, the cell walls are composed of cellulose. At some point in their life cycle, these species are motile. These species can reproduce sexually as well as asexually.
Food is stored as starch. Cell walls are made of cellulose.
Select the characteristics common to both green algae and plants. Food is stored as starch. Roots absorb extra nutrients. Leaves conduct photosynthesis. Cell walls are made of cellulose.
True
The Sargasso Sea is a large area in the Atlantic Ocean. True False
longer produce movement sulcus act as a rudder
The function of a dinoflagellate's _________________ flagellum is to ____________________________________________________________________________, and the function of the flagellum that remains in the __________________ is to ______________________________________________________________
very clean very low nutrient levels
The presence of Ochromonas indicates _______________________________ water because it thrives in environments with ____________________________________________________________________________
an algal bloom
The rapid extensive growth of algae as the result of nearly perfect growing conditions is called: a red tide an algal bloom rapid reproduction colonization
phycology
The study of algae is called _______________________. aqualogy protology phycology cytology
common thallii of algae
Unicellular, colonial, filamentous, and multicellular are examples of ______________________________________________________________________________
phycoerythrin
What is the pigment that gives red algae its color? phycoerythrin agar laminaria fucoxanthin
multicellular
What is the thallus type of Cladophora vagabunda? colonial unicellular multicellular spirogyna
carotenoids
What pigment is responsible for the color of watermelon snow? algae reddish-white carotenoids mauve
chlorophyll and carotenoids
What two pigments together create the color in golden-brown algae? chlorophyll and phycoerythrin phycoerythrin and fucoxanthin fuxoxanthin and carotenoids chlorophyll and carotenoids
anywhere there is moisture
Where are you likely to find diatoms? near the nucleus in the mineral that creates diamonds sand anywhere there is moisture
Sargussum
__________________________ is the scientific name of the algae Columbus encountered in the Sargasso Sea.
fucoxanthin
a brown pigment of the algae
late blight
a devastating plant disease caused by Phytophthera infestans, a member of the phylum Oomycota
carrageenan
a gelatinous extract from red algae that is used as a thickener and stabilizer in the food industry
algin
a gelatinous substance derived from brown algae, used in the food industry as a thickener, stabilizer, and emulsifier
agar
a gelatinous substance derived from red algae, used by scientists as food for growing bacteria in the laboratory
red eyespot
a light-sensitive structure in some microorganisms, important for phototaxis