CH. 26 BIO

What is the translation of "pseudopodia," a characteristic of the amoebas?

false feet

Within ciliates, what do the micronuclei control?

reproduction

Which protist group typically consists of amoeboid cells surrounded by a hard outer shell through which cytoplasmic projections extend?

rhizarians

Red tides are caused by red algae.

False - dinoflagellates

Most protists are:

aquatic.

Amoebozoans move by means of flagella

False - pseudopodia

Foraminiferans are Rhizarians.

True

The archaeplastids include the red algae and the green algae.

True

The stramenopiles include water molds, diatoms, golden algae, and brown algae.

True

Members of the ____ move via pseudopodia.

amoebozoa

The surface of a Paramecium is covered with thousands of short, hair-like ____.

cilia

Which protist group is characterized by having a micronucleus and a macronucleus?

ciliates

Some protists consist of a single cell with multiple nuclei. This condition is known as:

coenocytic.

Which protist clade (supergroup) is characterized by their greatly modified mitochondria?

excavates

Which protist group contains the organism Trypanosoma, a colorless parasite that can cause African sleeping sickness?

excavates

Pseudopodia are used by Amoeba for ingesting food as well as for:

locomotion.

Which eukaryotic organelles likely arose from symbiotic relationships between larger cells and bacteria?

mitochondria and chloroplasts

Most protists are ____, with each cell forming a complete organism capable of performing all the functions characteristic of life

unicellular

Refer to the accompanying figure. What is the function of the structure labeled as 6?

waste elimination

Members of the ____ are thought to have given rise to plants

green algae

Name the structure that allows motility in the following groups: amoebozoa, excavates, and ciliates.

Amoebozoa: pseudopodia Excavates: flagella Ciliates: cilia

Land plants are thought to have arisen most directly from a(n) red algal ancestor.

False - green

Which type of protist is responsible for malaria in humans, parasitic to both humans and mosquitoes?

apicomplexans

In primary endosymbiosis, an ancient eukaryotic cell engulfed a(n) ____, which survived and evolved into a chloroplast.

cyanobacterium

Which algal group contains individuals that are typically unicellular and form siliceous shells?

diatoms

Members of which group are known to form blooms known as red tides?

dinoflagellates

Refer to the accompanying figure. What is the function of the structure labeled as 4? (Paramecium structure)

food intake

Members of which protist group is one of the fossilized deposits in the unique geological formation of the White Cliffs of Dover?

foraminiferans