Exam 18: Kingdom Protista

Two of the most ecologically and/or economically damaging plant diseases are caused by the watermolds. These diseases are: ________.

No unicellular or colonial representatives of the ________ algae have been found to date.

Although algae are found almost everywhere, the seaweeds that are most frequently found in warmer ocean waters belong to the phylum commonly known as

In which of the following algal groups is the whole organism (not just the reproductive cells) motile (capable of moving)?

The plant kingdom is considered to be most closely related to the Chlorophyta, as compared to the other algae phyla.

The cells of which of the following are diploid?

Diatom zygotes that are capable of rapidly increasing in size are

Downy mildew of grapes and late blight of potato are two diseases caused by ________.

Filamentous algae increase in length through cell division.

Which statement about the toxin associated with the red tide is INCORRECT?

Brown algae, diatoms, and yellow green algae are all classified in the phylum ________ based on shared features such as pigments, storage materials, and reproductive characters.

Instead of a cell wall, this group of algae have a proteinaceous layer called the pellicle.

Which of the following commercially important products comes from red algae?

Which genus has some species that have separate female and male filaments with the male filament being dwarf?

Which of the following do Spirogyra and Ulothrix have in common?

The organisms whose chromosomes remain condensed and visible throughout the life of the cells are

The function of a holdfast present in some species of brown algae is to

The largest algae are members of the brown alga family in the phylum Chromophyta.

Which of the following reproduces asexually primarily by fragmentation?

The brown algae include the largest known seaweeds.