ObtainedfromTheUniversityofUtah:GeneticScienceLearningCenter
(http://learn.genetics.utah.edu/content/begin/cells/organelles/)
SummaryofEvidenceSupportingtheEndosymbioticTheory
1.Mitochondriaandchloroplastsarethesamesizeasprokaryoticcellsanddividebybinaryfission.
2.MitochondriaandchloroplastshavetheirownDNAthatiscircular,notlinear.
3.Mitochondriaandchloroplastshavetheirownribosomes
4.Severalmoreprimitiveeukaryoticmicrobes,suchasGiardiaandTrichomonashaveanuclearmembranebutno
mitochondria.
SBI3U–DiversityofLivingThings
Date:____________________________
KingdomProtista
Reference:pg.60-66
GeneralCharacteristicsofProtists
HowisKingdomProtistamainlyclassifiedincomparisontotheotherKingdoms?
Protistsaregroupedintothreemaincategories:
Group
Characteristics
•
Alsocalled___________________________________
•
_____________________________
•
someare_____________________
•
Examples:__________________________________________________________________
•
areclassifiedbythewaythey____________:
(a) Cilia–are_______________________projections,whichbeattogetherlikeoarstopushthe
protistthroughitsenvironment.
Animal-like
Protists
(b) Flagella-are________________________projectionswhichrotatelikeapropeller
(c) Pseudopods-___________________projections,whichpushitsbodyinaparticular
direction.Thefluidwithinthecellispushedagainstthecellwall,whichcausesittoextend.
Plant-like
Protists
Fungus-like
Protists
KingdomProtistaHomeworkQuestions
TextReference:pg.60-66
1. HowisKingdomProtistamainlyclassified?
2.Correctlycompletethefollowingdiagrambyfillingthespaceswiththeassociatedletter.
A______________________________________
A B B______________________________________
C______________________________________
DD
C D______________________________________
3.Whatarethefunctionsof(B)intheabovediagram? ___________________________________________________
___________________________________________________
4.Protistsaregroupedintothreemaincategories.Whataretheyandtheirgeneralcharacteristics?
Category
GeneralCharacteristics
5.Identifythemotilitystructureseachoftheprotistsatrightusetomove:
Protist
MotilityStructure
Amoeba
Euglena
Paramecium
Fillintheblanksbelowwiththemostcorrectanswer. 6.Parameciaundergoaformofasexualreproductioncalled_________________________,whichisdirected
bythe___________________________.Sexually,parameciumreproduceby__________________________.
ObservingProtists
Reference:pg.69
Protistsareanextraordinarilydiversegroupoflivingthings.Theyrangefromsingle-celledparasitestogiant
photosynthetickelpthataretensofmetreslong.Inthisactivityyouwillobservesomeofthisdiversitybyexamining
livingandpreservedprotists.Youwillclassifytheprotistsandmakebiologicaldrawingstorecordyourfindings.
Purpose
Toobserve,classify,andmakebiologicaldrawingsofavarietyofprotists.
Materials
Slides,coverslips,methylcellulose,toothpicks,mixedprotistcultures,papertowels.
Procedure
PartA–PondWater
1. Refertotheprocedureonyourlabbench.
PartB–PreservedSlides
1. Obtainonepreservedslideofaprotist(yourchoice)andrepeatstepsteps3and5fromPartA.
Observations
PondWater-Protist#1
PondWater-Protist#2
PreservedSlide–Protist#3
NameofProtist
NameofProtist
NameofProtist
TypeofProtist+Reason(s)
TypeofProtist+Reason(s)
TypeofProtist+Reason(s)