Bacteria, Protista & Algae Flashcards

Flashcards covering Bacteria, Protista, and Algae topics.

What type of cell lacks a nucleus?

Prokaryotic cell

Give an example of an extreme environment where Archaea can live.

High heat or salt environments

What process do True Bacteria (Eubacteria) use to produce energy?

Fermentation, photosynthesis, or aerobic respiration

What is the role of cyanobacteria in aquatic environments?

Important producers at the bottom of the food chain

What process resulted in chloroplasts in algae and plants?

Endosymbiosis

What is the origin of chloroplasts of plants and algae, according to the Endosymbiotic Theory?

Cyanobacteria

What type of algae has plastids formed from primary endosymbiosis of a cyanobacterium?

Rhodophyta – red algae

What type of light do pigments in red algae reflect?

Red light

What color light do Chlorophyta (Green Algae) absorb?

Red, violet, and blue light

What is the name for the green algae genus that's similar to Land Plants?

Chlorophyta

What is the multicellular alga known as sea lettuce?

Ulva

What pigment do most Phaeophyta (Brown Algae) contain?

Fucoxanthin

What is the thallus?

The whole organism of larger species of brown algae, which includes part similar to stems, leaves, and anchors

What vacuoles can be found in durvillaea?

Sulfuric acid vacuoles

What are two industrial applications for cellular polysaccharides (carageenan and agar)?

toothpaste and ice cream

What structure do Dinoflagellates use for locomotion?

Flagella

What are the shells (tests) of Dinoflagellates made of?

Cellulose

What is the test of Bacillariophyta (Diatoms) made of?

Silica

What is the significance of diatoms in Earth's carbon fixation?

Account for 20% of Earth’s carbon fixation

What do Rhizarians (Foraminiferans and Radiolarians) use for feeding?

Thin cytoplasmic extensions

What material are the tests of Foraminifera made of?

Calcium Carbonate

What material are the shells (tests) of Radiolarians made of?

Silica (glass)