BIO 112 Exam Questions and Verified Answers/Accurate Solutions| Already Graded A+
All protists are ________. Eukaryotic
The movement of ________ is facilitated by pseudopodia extending from the cytoplasm.
Amoeba
Saprobes survive by ________. absorbing nutrients form dead organisms or organic wastes
________ in protists often occurs when environmental stress occurs. sexual reproduction
What are hydrogenosomes? -
The oomycetes have ________. a fungus like morphology with extensive filaments for
nutrient uptake
The foraminiferans occasionally ________. resemble tiny snails with porous shells of calcium
carbonate
________ share a common ancestor with the supergroup Archaeplastida. land plants
The slime molds exhibit similarities to fungi due to ________. -
________ share a common ancestor with the supergroup Opisthokonta. animals
Coral bleaching is actually caused by the absence of ________. -
________ are specialized to absorb nutrients from nonliving organic matter. saprobes
,Plasmodium falciparum accounts for 50 percent of all ________. malaria cases in humans
Protists that have a pellicle are surrounded by ______________. proteins
Which of these locomotor organs would likely be the shortest?
a flagellum a cilium
________ survive by absorbing nutrients from dead organisms or organic wastes. saprobes
Cysts help protists survive because they ________. exhibit virtually no metabolism and are
therefore in stasis
________ are aquatic. most protists
Amoebas ingest food through ________. phagocystosis
Sexual reproduction in protists often occurs when ________. environmental stress occurs
Mixotrophs are notable for being able to ________. switch between autotrophic and
heterotrophic roles
Pellicles are ________. flexible, interlocking protein strips around protists
The classic amoeba "oozing" movement is facilitated by ________. pseudopodia extending
from cytoplasm
,True slime molds reproduce by ________. multiple fission
The movement of ________ is facilitated by the concerted effort of cilia. paramecium
Movement toward a light source is known as ________. phototaxis
Which of the following statements about the Laminaria life cycle is false? The gametophyte
is diploid.
The ________ ancestor likely resulted from a secondary endosymbiotic event.
chromalveolata
Rhizaria protists are characterized by ________. cytoplasmic streaming movement
The ________ take on a slug form in times of depleted nutrients. cellular slime molds
The ________ have a fungus-like morphology with extensive filaments for nutrient uptake.
oomycetes
Of the algaes, the ________ are the furthest living relatives to land plants. rhodophytes
The red algae are common in tropical water, and ________. are typically called "seaweeds"
The choanoflagellates are believed to resemble an early common ancestor of ________.
sponges
The ________ move using tube-like pseudopodia. Amoebozoa
, The ________ exhibit similarities to fungi as a result of convergent evolution. slime molds
Excavata protists are characterized by ________. a feeding groove on one side of their
asymmetrical, single celled body
The ________ group contains at least one type of human parasite. mesomycetozoans
Land plants share a common ancestor with the supergroup ________. archaeplastida
The ________ possess hydrogenosomes, semi-functional mitochondria that actually work
anaerobically. parabasalids
The causative agent of African sleeping sickness is a type of ________. parabasalid
Symbiotic dinoflagellates contribute to ________. coral's algal pigment
Saprobes are specialized to ________. absorb nutrients from nonliving organic matter
The ________ are mostly marine decomposers of dead plant material. labyrinthulomycetes
Approximately ________ of the world's photosynthesis is performed by protists. 25%
Trypanosoma brucei is the causative agent of ________. african sleeping sickness
The famous Irish potato famine of the nineteenth century was due to ________.
phytophthora infestans
All protists are ________. Eukaryotic
The movement of ________ is facilitated by pseudopodia extending from the cytoplasm.
Amoeba
Saprobes survive by ________. absorbing nutrients form dead organisms or organic wastes
________ in protists often occurs when environmental stress occurs. sexual reproduction
What are hydrogenosomes? -
The oomycetes have ________. a fungus like morphology with extensive filaments for
nutrient uptake
The foraminiferans occasionally ________. resemble tiny snails with porous shells of calcium
carbonate
________ share a common ancestor with the supergroup Archaeplastida. land plants
The slime molds exhibit similarities to fungi due to ________. -
________ share a common ancestor with the supergroup Opisthokonta. animals
Coral bleaching is actually caused by the absence of ________. -
________ are specialized to absorb nutrients from nonliving organic matter. saprobes
,Plasmodium falciparum accounts for 50 percent of all ________. malaria cases in humans
Protists that have a pellicle are surrounded by ______________. proteins
Which of these locomotor organs would likely be the shortest?
a flagellum a cilium
________ survive by absorbing nutrients from dead organisms or organic wastes. saprobes
Cysts help protists survive because they ________. exhibit virtually no metabolism and are
therefore in stasis
________ are aquatic. most protists
Amoebas ingest food through ________. phagocystosis
Sexual reproduction in protists often occurs when ________. environmental stress occurs
Mixotrophs are notable for being able to ________. switch between autotrophic and
heterotrophic roles
Pellicles are ________. flexible, interlocking protein strips around protists
The classic amoeba "oozing" movement is facilitated by ________. pseudopodia extending
from cytoplasm
,True slime molds reproduce by ________. multiple fission
The movement of ________ is facilitated by the concerted effort of cilia. paramecium
Movement toward a light source is known as ________. phototaxis
Which of the following statements about the Laminaria life cycle is false? The gametophyte
is diploid.
The ________ ancestor likely resulted from a secondary endosymbiotic event.
chromalveolata
Rhizaria protists are characterized by ________. cytoplasmic streaming movement
The ________ take on a slug form in times of depleted nutrients. cellular slime molds
The ________ have a fungus-like morphology with extensive filaments for nutrient uptake.
oomycetes
Of the algaes, the ________ are the furthest living relatives to land plants. rhodophytes
The red algae are common in tropical water, and ________. are typically called "seaweeds"
The choanoflagellates are believed to resemble an early common ancestor of ________.
sponges
The ________ move using tube-like pseudopodia. Amoebozoa
, The ________ exhibit similarities to fungi as a result of convergent evolution. slime molds
Excavata protists are characterized by ________. a feeding groove on one side of their
asymmetrical, single celled body
The ________ group contains at least one type of human parasite. mesomycetozoans
Land plants share a common ancestor with the supergroup ________. archaeplastida
The ________ possess hydrogenosomes, semi-functional mitochondria that actually work
anaerobically. parabasalids
The causative agent of African sleeping sickness is a type of ________. parabasalid
Symbiotic dinoflagellates contribute to ________. coral's algal pigment
Saprobes are specialized to ________. absorb nutrients from nonliving organic matter
The ________ are mostly marine decomposers of dead plant material. labyrinthulomycetes
Approximately ________ of the world's photosynthesis is performed by protists. 25%
Trypanosoma brucei is the causative agent of ________. african sleeping sickness
The famous Irish potato famine of the nineteenth century was due to ________.
phytophthora infestans
