chapter 26 biology protists

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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

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

rhizarians

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

unicellular

the surface of a paramecium is covered with thousands of short, hair like _____

cilia

some protists consist of a single cell with multiple nuclei. this condition is known as:

coenocytic

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

diatoms

which is the transition of "pseudopodia" a characteristic of the amoebas?

false feet

land plants are thought to have arisen most directly from a red algal ancestor

false- green

amoebozoans move by means of flagella

false- pseudopodia

in primary endosymbiosis, an ancient eukaryotic cell engulfed a ____, which survived and evolved into a chloroplast

cyanobacterium

within ciliates, what do the micronuclei control?

reproduction

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

apicomplexans

most protsists are

aquatic

members of the ____ move via pseudopodia

Amoebozoa

which protist group is characterized by having a micronucleus and a macronucleus

ciliates

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

dinoflagellates

red tides are cause by red algae

dinoflagellates

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

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

foraminiferans

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

green algae


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