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1)osculum
2)mesophyl
3)porocytes
4)spongocoel
5)choanocyte
6)amoebocyte
7)epidermis
8)spicules
9)flagellum
10)collar
11)choanocyte
12)amoebocyte |
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| wander through mesophyl distributing nutrients |
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| mostly marine; some freshwater |
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Cnidaria body plan
openings, symmetry, germ layers |
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sac with gastrovascular cavity
one opening
radially symmetrical
diploblastic (ecto and endoderm separated by mesoglea) |
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Definition
1)mouth/anus
2)tentacle
3)gastrovascular cavity
4)gastrodermis
5)mesoglea
6)epidermis
7)tentacle
8)mouth/anus
9)body stalk |
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1)nematocyst
2)trigger
3) coiled thread
4) cnidocyte |
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| marine, freshwater, some in damp terrestrial |
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| Platyhelminthes body symmetry/germ layers |
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Definition
bilateral symmetry
triploblastic acoelomates |
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| platyhelminthes breathing |
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Definition
| flattened for better gas exchange |
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| platyhelminthes gastrovascular cavity |
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Definition
branched to distribute food around
only one opening |
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platyhelminthes
free living
carnivores
e.g. planarians |
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platyhelminthes
endoparasitic
two suckers to attach to host
e.g. flukes
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platyhelminthes
endoparasitic
have hooks and suckers
e.g. tapeworms |
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| sections on tapeworm that produces eggs and sperm |
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| head of tapeworm that contains the hooks and suckers |
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1)nephridium 2)heart 3)mantle
4)mantle cavity 5)anus 6)gill
7)foot 8)nerve cords 9)esophagus
10)mouth 11)radula 12)shell
13)stomach 14)digestive tract 15)intestine
16)gonads |
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-chitons
-marine environmnets
-shell with 8 plates
-no head
-radula
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-snails/slugs
-marine, freshwater, or terrestrial
-radula
-cephalization |
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-clams,mussels, scallops
-marine and freshwater
-no radula
-two shells |
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-octopuses, squids
-marine
-closed circulatory system
-locomotion by jet propulsion |
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-segmented worms
-freshwater, marine, terrestrial
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| first segment of earthworm containing mouth |
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| second segment of earthworm from the anterior end |
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| posterior end of earthworm containing anus |
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All cells have one
Keep from contamination
Main component-Phospholipid
Is selectively permeable |
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Houses DNA
Makes RNA
Controls cellular function |
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Converts molecular energy from sugar to ATP
(orange jellybean in picture) |
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Vesicle containing digestive enzymes
Little green circle with orange center in picture) |
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Packages materials for export out of cell
(looks like green waves on picture) |
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membranous organelle for lipid synthesis
(purple pipe like standing up and cut.) oOOo0o sort of like this |
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membranous organelle for protein synthesis (has ribosomes in it)
(looks like a maze with dots of orange ribosomes) |
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whip like projections proteins that move cells
(looks like a Christmas light bulb with a tail)in photo as a mature sperm |
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network fiber and tubules to support cell
(looks like skinny toothpicks in picture) |
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Definition
| simple diffusion across plasma membrane |
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Directional
Superior (cranial) |
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Definition
| The head is superior to the abdomen |
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Directional
Inferior (caudal) |
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Definition
Away from head toward lower; below
The naval is inferior to the chin |
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Directional
Ventral(anterior) |
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Definition
Toward or at the back of the body; in front of
The breastbone is anterior to the spine |
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Directional
Dorsal (posterior) |
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Definition
Toward the back of the body; behind
The heart is posterior to the breastbone |
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Definition
Toward or at the midline of the body;
on the inner side
The heart is medial to the arm |
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Away from the midline of the body; on the outer side
the arms are lateral to the chest |
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Definition
Between a more medial and a more lateral structure
Collarbone is intermediate between breastbone and shoulder |
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Definition
Closer to the origin of the body part or the point of attachment of a limb to the body trunk
elbow is proximal to the wrist |
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Farther from the origin of the body part or the point of attachment of a limb to the body trunk
Knee is distal to the thigh |
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Directional
Superficial (external) |
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Definition
Toward or at the body surface
skin is superficial to the skeletal muscles |
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Directional
Deep(internal) |
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Definition
Away from the body surface; more internal
Lungs are deep to the skin |
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| Back of head or base of skull |
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Directional
Longitudinal Section (ls) |
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Definition
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Directional
Cross Section (cs) |
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Definition
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Directional
Sagittal Plane |
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Definition
Runs longitudinally (top to bottom)
dividing body into right and left section |
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Term
Directional
Median (Midsagittal) plane |
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Definition
| When sagittal plane cuts body or organ into EXACTLY equal sections |
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Directional
Frontal (Coronal) Plane |
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Definition
| Lengthwise cut from top to bottom dividing body or organ into front (anterior) and back (posterior) |
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Directional
Transverse Plane |
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Definition
| Runs horizontally (or crosswise)dividing the body into top (superior) and bottom (inferior) sections |
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Directional
Cranial Cavity |
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Definition
| The portion of the dorsal cavity that contains the brain |
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Directional
Vertebral Canal |
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Definition
| The portion of the dorsal cavity that houses the spinal cord |
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Definition
Posterior Cavity
Contains Cranial Cavity and Vertebral Canal |
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Directional
Ventral Cavity |
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Definition
Anterior Cavity
Contains Thoracic Cavity and Abdominalpelvic Cavity |
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Directional
Thoracic Cavity |
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Definition
Above the Diaphragm
Also contains pleural and pericardial cavities |
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Directional
Abdominalpelvis |
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Definition
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Directional
Pleural Cavity |
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Definition
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Directional
Pericardial Cavity |
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Definition
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Term
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Definition
| Stratified Squamous Epithelium |
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Definition
| Simple columnar epithelium |
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| LABORTORY SAFETY EQUIPMENT |
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Definition
Protective Gloves
Safety Goggles
Fire Blanket
Eye Wash Station
Safety Shower
Fire Safety--Fire extinguisher
pull pin, aim, squeeze handles together |
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Definition
revolving circular mechanism holds different objective lenses
Used to change the objctive lense |
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MICROSCOPE
Objective Lense |
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Definition
attached to nosepiece
change by rotating nosepiece
includes magnification factor |
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Definition
| Upright bar that connects ocular lenses to microscope |
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Definition
Mechanical stage
supports and secures slides |
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Definition
located on side or top of staage
front back control to move slides |
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Definition
located under stage
focus light through hole in stage to specimen
adjusts quality and amount of light
raised or lowered with condenser know |
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Definition
under condenser
adjusts intensity of light |
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MICROSCOPE
Coarse Adjustment Knob |
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Definition
Lg knob on arm
large adjustments to stage and objective lens
use first to bring specimen into focus
dangerous to use this when lens is near the slide
turn slow to avoid breaking slide or lense |
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MICROSCOPE
Fine adjustment Knob |
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Definition
Small knob attached to the coarse adjustment knob on arm
adjusts in small increments
for use when specimen is almost in focus
slow to avoid damage |
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