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Label A
Oculars
What is the magnification for label A?
10x
Label B
Diopter scale
What is label B used for?
allows you to accomodate for astigmatism
Label C
Interpupillary Distance Scale
Label D
Head
Label E
Revolving nosepiece
Label F
Objectives
Which objective is the lowest scanning power, and what is its TOTAL magnification
Red, 40x
Which objective is the low scanning power?
Yellow, 100x
Which objective is the high scanning power?
Blue, 400x
Label G
Arm
Label H
Stage
Label i
Specimen holder
Label J
Course Adjustment knob
Label K
Fine adjustment knob
Label L
Mechanical stage controls
Label M
condenser
Label N
Iris Diaphragm Lever
Label O
Light
Label P
base
Label q
rheostat
Label R
on/off switch
What type of speciation stems from a geographical change?
Allopatric Speciation
The binomial system of nomenclature is a naming system developed by who?
Carolous Linnaeus
Which scientific name for the black bear follows the standard guidelines (when typed)?
Ursus americanus
Which classification category is made up of 2 or more similar classes?
Phylum
The graph below represents which of the following types of selection?
Disruptive
Microevolution can be defined as
a change in the allele frequency within a population
Taxonomists develop detailed manuals usually referred to as field guides or ________________ ________________.
These manuals are made up of paired statements based on the organisms characteristics
Dichotomous Keys
Which scientist coined the term “Species”? (first and last)
John Ray
List the classification categories from the most comprehensive to the least
Kingdom, phylum, class, order, family, genus, species
T/F: Directional selection occurs when environmental conditions select for organisms at only one extreme of the range of diversity in a population
True
Taxonomy is defined as
the branch of science that names and classifies organisms
2 Domains of prokaryotes are
Archaea and Bacteria
Archaea and Bacteria are __________ organisms
Unicellular
Label 1
Flagella
What is label 1 used for?
Locomotion
Label 2
Pilus
Label 3
Cell membrane
Label 4
Cytoplasm
Label 5
Capsule
Label 6
Ribosomes
Label 7
Cell wall
Label 8
plasmid
Label 9
DNA
How to bacteria replicate/reproduce?
Binary fission
What are the three primary shapes for bacteria?
Coccus, Bacillus, Spirillum
What shape is this bacteria?
Coccus (Cocci)
What shape is this bacteria
Coccus (Cocci)
What shape is this bacteria?
Bacillus (Bacilli)
What shape is this bacteria?
Bacillus (Bacilli)
What shape is this bacteria?
Spirillum (Spirilla)
What shape is this bacteria?
Spirillum (Spirilla)
Gram-Positive cell envelopes have a thicker _________
Peptidoglycan cell wall
Gram-Positive cell envelopes usually stain which color?
Purple
Gram-Negative cell envelopes will have a _______ peptidoglycan cell wall
thinner
Gram-Negative cell envelopes usually stain what color?
Pink
Protists are prokaryotes or eukaryotes?
Eukaryotes
Amoebas are also recognized as _________, which means “false foot”
Pseudopods
Label 1
Pseudopodia
Label 2
Food vacuoles
Label 3
Contractile Vacuole
Label 4
Endoplasm
Label 5
Nucleus
Label 6
Ectoplasm
What organism is this?
amoeba
Label 1
Chloroplasts
Label 2
Flagellum
Label 3
Anterior end
Label 4
Eyespot
Euglena would be considered _____ because they are able to do photosynthesis with their chloroplasts
autotrophs
Label 1
Food vacuole
Label 2
radiating canal
Label 3
contractile vacuole
Label 1
contracting vacuole
Label 2
Radiating canals
Label 3 (hairs)
cilia
Label 4
ectoplasm
Label 5
Endoplasm
Name this organism
paramecium caudatum
Name this organism
Euglena
The protists Amoeba, Euglena, Paramecium, and Stentor are all classified as
Protozoans
diatoms form _________, the food supply for millions of aquatic animals
phytoplankton
the ______ ______ of diatoms are impregnated with silica, a glass like substance referred to as the ______ of the diatom
cell wall; shell
Millions of deposits of the hardened shell walls of the dead diatomc are referred to as
diatomaceous earth
Label 1
Pseudopodium
Label 2
Contractile vacuole
Label 3
Nucleus
Label 4
Food vacuole
Label 5 (hard to see, its off to the side)
Ectoplasm
Label 6
Endoplasm
Name this organism
Amoeba
Name this organism
Euglena
Label 1
Flagellum
Label 2
Eyespot
Label 3
chloroplast
Name this organism
Paramecium
Label 1
Contractile vacuole
Label 2
Radiating canal