biology

Select reasons why members of phyla Acrasiomycota, Myxomycota, and Oomycota not classified in the kingdom Fungi.

-When present, the cell walls are composed of cellulose. -At some point in their life cycle, these species are motile.

The function of a dinoflagellate's _________ flagellum is to ___________ , and the function of the flagellum that remains in the ____________ is to _____________.

-longer -produce movement -sulcus -act as a rudder

In the past, euglena have been classified as a protozoan because they have:

-motility -no cell wall -pellicle

Select businesses that have been negatively affected by a severe red tide in the Gulf Coast of Florida.

-shellfish harvesters -hotels -restaurants -fishing

The presence of Ochromonas indicates _________ water because it thrives in environments with ______________

-very clean -very low nutrient levels

Select the characteristics common to both green algae and plants.

Cell walls are made of cellulose., Food is stored as starch.

Carrageenan and algin are used in what way by the food-processing industry?

as thickeners

What pigment is responsible for the color of watermelon snow?

carotenoids

What two pigments together create the color in golden-brown algae?

chlorophyll and carotenoids

The thallus type of Volvox is ___________.

colonial

Unicellular, colonial, filamentous, and multicellular are examples of:

common thallii of algae

(true or false) Diatomaceous earth is used as a mild abrasive, as an insulator, and as a stabilizer in dynamite.

true

(true or false) The Sargasso Sea is a large area in the Atlantic Ocean.

true

Euglenoid movement can best be described as:

worm-like

In plasmodial slime molds, the plasmodium transforms into reproductive stage called a(n) __________.

aethalium

The rapid extensive growth of algae as the result of nearly perfect growing conditions is called:

an algal bloom

Where are you likely to find diatoms?

anywhere there is moisture

What is the pigment that gives red algae its color?

phycoerythrin

The study of algae is called ___________.

phycology

The three-dimensional glass-like structure encasing each diatom is composed mostly of _______

silicon

What was the ultimate cause of the large immigration from Ireland to the United States in the mid-nineteenth century?

Much of Ireland's potato crop was destroyed by blight.

__________ is the scientific name of the algae Columbus encountered in the Sargasso Sea.

Sargussum

Even though algae can produce their own food through photosynthesis, they are not part of the Plantae kingdom. Select the reasons why.

They do not have true vascular parts., They possess significantly different reproductive features., Their cells do not differentiate.

(true or false) Kelp forests are often located on land near oceans.

false

The two types of environments in which we are likely to find water molds are _______.

fresh water and as plant parasites

A person can become sick with NSP (Neurotoxic Shellfish Poisoning) by eating shellfish _______________.

from an area affected by red tide

A(n) ________ best describes a Synura colony.

hairy ball

Laminaria is the scientific name for:

kelp algae

What is the thallus type of Cladophora vagabunda?

multicellular

In what form do both golden-brown algae and diatoms store their food?

oil