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Brigham Young University-Idaho
Brigham Young University-Idaho
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Integrated Principles of Zoology
Laboratory Studies in Integrated Principles of Zoology
A biological membrane that seperates the interior of the cell from the outside environment.
The cortex of a cell or that part of cytoplasm just under the cell surface. A thin peripheral rim which is stiff, clear, glassy, and lacks organels.
The portion of cytoplasm that immediatly surrounds the nucleus.
False feet, extensions of the cell body used to move and grab food.A temporary cytoplasmc protrusion extended out from a protozoan or ameboid cell, and serving for locomotion or for engulfing food.
advancing end of the pseudopodium
a digestive organelle in the cell.
A clear fluid filled cell vacuole. Collects water and releases it to the outside in a cyclical manner, for osmoregulation.
The organelle in eukaryotes that contains the chromatin and which is bounded by a double membrane
Any cell that engulfs and devours microorganisms or other particles.
The engulfment of a particle by a phagocyte.
is a form of endocytosis in which small particles are brought into the cell suspended within small vesicles that subsequently fuse withlysosomes to hydrolyze, or to break down, the particles.
Tiny membrane bound organells that allow hydrolytic enzymes to go into food vacules for digestion
In this process, two daughter cells are produced by a single parent cell which effectively clones itself. Is a form of asexual reproduction.
shell or outer covering
A plastid containing chlorophyll and usally other pigments.
Whiplike organelle of locomotion.
Where the flagellum emerges from a clear, flask shaped space in the anterior end.
A clear protective covering secreated from the ectoplasm.
Eyespot, a reddish pigment that is light sensitive.
One celled individuals
Colonies of volvox inside a mother cell
Help an organism get its nutrition
The mouth of a cell wich is located at the posterior end of the oral groove
Short tubular gullet that is lined with cilia that is used to draw in food.
A hairlike vibrating organelle wich is used for movement of particles and locomotion.
The larger of the two kinds of nuclei which controls all cell functions except reproduction.
The small nucleus which controls the reproduction function of the organism.
Saclike protruisible organelle in the ectoplasm wich discharges as a threadlike weapon of defense. or used as an anchor while an animal feeds.
Opening of the sponge surrounded by spicules. Excurrent opening of the sponge.
One of the minute calcareous or silicone skeletal bodies found in sponges ect. Used for protection.
Closed at the outer end but opens into the central cavity for sponges.
External spaces between enclosed canals, Canals that opend from the outside but end at the inner end.
The opening of the incurrent cannals
Opening between the incurrent and radial canal. Water enters through these openings to get to the radial canals then travel to the spongocoal and out through the osculum.
Small pores that open from radial canals into the spongocoal.
Young larvae found in radial canals, somtimes in mesoglea
Sponge cells wich are loosely arranged in a matrix. It is the connective tissue.
Inside radial canal, have flaggela that capture food and move the water
thin cells lining incurrent canals
Is the result of asexual reproduction.
Fluid in the gastrovascular cavities.
Elevated area surrounded by tenticles
Body cavity in certain lower lower invertibrates that functions in both digestion and circulation and has a single opining serving as both mouth and anus.
cells that have nematocysts.
Single layer of ectodermal epithelium. The outer, nonvascular layer of skin of ectodermal origin.
Layer of jelly-like material between Gastrodermis and epidermis.
A part of the body wall which grows out as a bud, that lengthens and develops tentacles and a mouth at its distal end. Eventually the bud breaks off from the parent.
Testes with spermatozoa
Small outgrowths containing many spermatozoa wich break out of the testes wall.
Ovary with egg
Is a large rounded elevation nearer the basal end. The ovary produces a large ripe egg, wich breaks out and lies free on the surface.
Having both male and female gonads in the same organism.
Having male and female gonads in separate individuals.
A larvae which settles and attaches to substratum.
Medusa buds that are released from the Gonangia. They are dioecious
Rootlike stolon that attaches a hydroid to its substrate.
a hollow tube composed of epidermis, mesoglea, and gastrodermis.
Transparent protective covering
The convex outer surface. (aboral)
The concave (oral) surface.
near the distal distal end of the tentacle.
characteristic of hydromedusa and it is absent in true sea jellies.
The portion projecting from the oral side of a sea jelly medusa, bearing the mouth, oral cone,
Includes gullet, stomach, four radial canals.ect
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