Biology 1202 Exam 4 Questions and
Answers A+ Graded (2025)
Graph .with .2 .horizontal .lines .- .CORRECT .ANSWER-regulator; .regulator
An .unknown .organism .has .3 .layers .and .exoskeleton .of .chitin. .What .is .it .most
.likely? .- .CORRECT .ANSWER-arthropod
___ .highest .energy .expenditure. .___ .highest .energy .expenditure .per .unit .-
.CORRECT .ANSWER-elephant; .mouse
Which .class .is .the .most .primitive .and .still .living .craniate? .- .CORRECT
.ANSWER-myxini
you .find .a .type .of .platyhelminthe .under .a .rock .and .it .is .nonparasitic. .Which .is
.it? .- .CORRECT .ANSWER-turbelluria
An .organism .that .has .tentacles .and .big .eyes. .What .is .it? .- .CORRECT .ANSWER-
cephalapoda
Characteristics .of .chordates .- .CORRECT .ANSWER-pharyngeal .gill .slits, .post
.anal .tail, .notochord, .dorsal .hollow .nerve .chord
What .is .unique .of .tunicates? .- .CORRECT .ANSWER-they .possess .chordate
.characteristics .in .their .larval .stage
what .is .the .function .of .small .intestine? .- .CORRECT .ANSWER-absorption
What .is .the .function .of .the .large .intestine? .- .CORRECT .ANSWER-reabsorption
.of .water
Temperature .regulation .in .the .body .is .an .example .of .___ .system .- .CORRECT
.ANSWER-negative .feedback
What .is .a .characteristic .of .chondrichthyans? .- .CORRECT .ANSWER-cartilage
What .is .an .example .of .negative .feedback .- .CORRECT .ANSWER-increase .in
.temperature .due .to .shivering
, water .moves .through .sponges .by .what .kind .of .cells? .- .CORRECT .ANSWER-
porocytes
Which .Cnidarian .goes .with .medussa .and .which .goes .with .polyp? .- .CORRECT
.ANSWER-Hydrozoa .- .both
Cubozoa .and .Scyphozoan .- .Medussa
Anthozoa .- .polyp
Jellies .belong .to .which .subphylum? .- .CORRECT .ANSWER-Schyphozoa
You .go .to .a .restaurant .and .eat .something .bad. .You .form .flat .white .things .on
.you. .What .did .you .get? .- .CORRECT .ANSWER-Tapeworms
Which .is .a .pseudocoelomate? .- .CORRECT .ANSWER-Rotifer
Which .phylum .of .Mollusca .contains .chitons? .- .CORRECT .ANSWER-
polyplacophora
Leeches .feed .by____ .- .CORRECT .ANSWER-Outside .hose
Echinoderms .have .what .helping .their .tube .feet? .- .CORRECT .ANSWER-unique
.water .vascular .system
What .contains .sharks .and .rays? .- .CORRECT .ANSWER-Chondrichtyans
Which .includes .the .chordates .that .are .all .invertebrates? .- .CORRECT .ANSWER-
Urochordata .(tunicates) .and .cephalochordate .(lancelets)
diagnostic .featurs .of .chordates? .- .CORRECT .ANSWER-notochord
dorsal .hollow .nerve .chord
pharyngeal .slits .and .clefst
muscular .post .anal
Class .Myxini .and .petromyzontida .have .what .in .common? .- .CORRECT .ANSWER-
no .jaws
What .class .are .ray-finned .fisshes? .- .CORRECT .ANSWER-Actinopetergii
Amphibians .use .water .for .___ .- .CORRECT .ANSWER-Reproduction
What .was .the .amniotic .breakthrough .in .terrestrial .environment? .- .CORRECT
.ANSWER-amniotic .eggs
What .is .not .in .mammals? .- .CORRECT .ANSWER-cell .wall .with .cellulose
Polychaeta .are .the .only .ones .that .posses___ .- .CORRECT .ANSWER-Parapodia
Which .clade .do .sharks, .rays, .and .their .relatives .belong .to? .- .CORRECT
.ANSWER-chondrichtyans
Answers A+ Graded (2025)
Graph .with .2 .horizontal .lines .- .CORRECT .ANSWER-regulator; .regulator
An .unknown .organism .has .3 .layers .and .exoskeleton .of .chitin. .What .is .it .most
.likely? .- .CORRECT .ANSWER-arthropod
___ .highest .energy .expenditure. .___ .highest .energy .expenditure .per .unit .-
.CORRECT .ANSWER-elephant; .mouse
Which .class .is .the .most .primitive .and .still .living .craniate? .- .CORRECT
.ANSWER-myxini
you .find .a .type .of .platyhelminthe .under .a .rock .and .it .is .nonparasitic. .Which .is
.it? .- .CORRECT .ANSWER-turbelluria
An .organism .that .has .tentacles .and .big .eyes. .What .is .it? .- .CORRECT .ANSWER-
cephalapoda
Characteristics .of .chordates .- .CORRECT .ANSWER-pharyngeal .gill .slits, .post
.anal .tail, .notochord, .dorsal .hollow .nerve .chord
What .is .unique .of .tunicates? .- .CORRECT .ANSWER-they .possess .chordate
.characteristics .in .their .larval .stage
what .is .the .function .of .small .intestine? .- .CORRECT .ANSWER-absorption
What .is .the .function .of .the .large .intestine? .- .CORRECT .ANSWER-reabsorption
.of .water
Temperature .regulation .in .the .body .is .an .example .of .___ .system .- .CORRECT
.ANSWER-negative .feedback
What .is .a .characteristic .of .chondrichthyans? .- .CORRECT .ANSWER-cartilage
What .is .an .example .of .negative .feedback .- .CORRECT .ANSWER-increase .in
.temperature .due .to .shivering
, water .moves .through .sponges .by .what .kind .of .cells? .- .CORRECT .ANSWER-
porocytes
Which .Cnidarian .goes .with .medussa .and .which .goes .with .polyp? .- .CORRECT
.ANSWER-Hydrozoa .- .both
Cubozoa .and .Scyphozoan .- .Medussa
Anthozoa .- .polyp
Jellies .belong .to .which .subphylum? .- .CORRECT .ANSWER-Schyphozoa
You .go .to .a .restaurant .and .eat .something .bad. .You .form .flat .white .things .on
.you. .What .did .you .get? .- .CORRECT .ANSWER-Tapeworms
Which .is .a .pseudocoelomate? .- .CORRECT .ANSWER-Rotifer
Which .phylum .of .Mollusca .contains .chitons? .- .CORRECT .ANSWER-
polyplacophora
Leeches .feed .by____ .- .CORRECT .ANSWER-Outside .hose
Echinoderms .have .what .helping .their .tube .feet? .- .CORRECT .ANSWER-unique
.water .vascular .system
What .contains .sharks .and .rays? .- .CORRECT .ANSWER-Chondrichtyans
Which .includes .the .chordates .that .are .all .invertebrates? .- .CORRECT .ANSWER-
Urochordata .(tunicates) .and .cephalochordate .(lancelets)
diagnostic .featurs .of .chordates? .- .CORRECT .ANSWER-notochord
dorsal .hollow .nerve .chord
pharyngeal .slits .and .clefst
muscular .post .anal
Class .Myxini .and .petromyzontida .have .what .in .common? .- .CORRECT .ANSWER-
no .jaws
What .class .are .ray-finned .fisshes? .- .CORRECT .ANSWER-Actinopetergii
Amphibians .use .water .for .___ .- .CORRECT .ANSWER-Reproduction
What .was .the .amniotic .breakthrough .in .terrestrial .environment? .- .CORRECT
.ANSWER-amniotic .eggs
What .is .not .in .mammals? .- .CORRECT .ANSWER-cell .wall .with .cellulose
Polychaeta .are .the .only .ones .that .posses___ .- .CORRECT .ANSWER-Parapodia
Which .clade .do .sharks, .rays, .and .their .relatives .belong .to? .- .CORRECT
.ANSWER-chondrichtyans