PLANT-LIKE PROTISTS

Kelp forests are often located on land near oceans.

False

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

Sargussum

Diatomaceous earth is used as a mild abrasive, as an insulator, and as a stabilizer in dynamite.

True

The Sargasso Sea is a large area in the Atlantic Ocean.

True

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

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

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

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

Euglenoid movement can best be described as:

worm-like

Select the characteristics common to both green algae and plants.

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

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.

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 • 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