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Biology 2005 - Test 1
Zoology Lab - Multicellularity, Protists, and Sponges
110
Biology
Undergraduate 2
02/19/2013

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Term
Evolution
Definition
Descent with modification
Term
Ways populations can evolve
Definition
Mutation
Migration / Gene Flow
Genetic Drift*
Natural Selection*

*Require Genetic Variation
Term
Ways of Genetic Drift
Definition
Mutation
Gene Flow
Sex (Outcrossing or Genetic Change)
Term
Microevolution
Definition
Evolution on a small scale
(Example: Wolf evolves into many different breeds of dog)
Term
Macroevolution
Definition
Evolution on a larger scale
(Example: Dinosauria into different types of dinosaur)
Term
Multicellularity
Definition
Cells working together for a common good
Term
William Ratcliff
Definition
Worked with single celled yeast to try and determine the way multicellularity came to be
Term
Only common in animals
Definition
Nervous and Connective Tissue
Term
Blastula
Definition
Stage of embryonic development
Term
Zygote
Definition
One cell, product of fertilization
Term
Morula
Definition
Solid ball same size as zygote but ~ 50 cells
Term
Blastula
Definition
Hollow Ball of cells
Term
Gastrula
Definition
After gastrulation of blastula
Term
Gastrulation
Definition
Formation of a cavity lined with cells and an opening
http://www.bio.miami.edu/dana/pix/gastrulation.jpg
Term
Blastocoele
Definition
The hollow cavity between the lining of the Archenteron and the outside layer of the gastrula
Term
Archenteron
Definition
Interior cavity of the gastrula
Term
Blastopore
Definition
Cavity opening
Term
Deuterostome
Definition
Anus forms first
Term
Protostome
Definition
Mouth forms first
Term
Diploblastic vs Triploblastic
Definition
Diplo- Endoderm and Ectoderm
Triplo- Endoderm, Ectoderm, and Mesoderm
Term
Protostome Cleavage
Definition
Irregular shaped and sized cells produced
Term
Deuterostome Cleavage
Definition
Regular cleavage, regular shaped and sized cells, uniform
Term
Spiral Cleavage
Definition
Protostome
Term
Radial Cleavage
Definition
Deuterostome
Term
3 Animal Ethic "R's"
Definition
Reduction - Most info from fewest animals
Replacement - Replace animals with other forms of test subjects
Refinement - minimize any potential pain
Term
4 Types of Protist locomotion
Definition
Flagellum - Essentially a tail that whips around moving the protist
Pseudopodia - "False Feet"
Cilia - little hairs that wiggle
Parasitism - move via host
Term
Heterotrophic
Definition
Consume a food source
Term
Autotrophic
Definition
Create their own food source via photosynthesis or other form
Term
Asexual Fision
Definition
Simply divide cells
Term
Sexual Conjugation
Definition
Meet up and exchange genetic material
Term
3 Clades need to know
Definition
Euglenozoa
Alveolata
Plantae
Term
Clade for Euglenoids - Example Euglena
Definition
Euglenozoa
Term
Clade for Kinetoplastids - Example Trypanosoma
Definition
Euglenozoa
Term
Clade for Dinoflagellates
Definition
Alveolata
Term
Clade for Apicomplexans - Example Plasmodium
Definition
Alveolata
Term
Clade for Ciliates - Example Paramecium
Definition
Alveolata
Term
Clade for Green Algae - Example Volvox
Definition
Plantae
Term
Clade for plants
Definition
Plantae
Term
Euglena
Definition
Euglenozoa
Term
Trypanosoma
Definition
Euglenozoa
Term
Plasmodium
Definition
Alveolata
Term
Paramecium
Definition
Alveolata
Term
Vorticella
Definition
Alveolata
Term
Volvox
Definition
Plantae
Term
Euglena Locomotion
Definition
Flagella
Term
Euglena Reproduction
Definition
Asexual - Longitudinal Fission
Term
Pellicle
Definition
Euglena possess this, it is a hardened outer layer that stiffens the cell surface
Term
Euglena Habitat
Definition
Freshwater
Term
Euglena Feeding
Definition
Autotrophic and Heterotrophic
Term
Trypanosoma Habitat
Definition
Human Host
Term
Trypanosoma Feeding
Definition
Absorption / Obligate Heterotroph
Term
Trypanosoma Caused Disease
Definition
African Trypanosomiasis (African Sleeping Sickness)
Term
Trypanosoma Locomotion
Definition
Undulating Membrane
Term
Trypanosoma Reproduction
Definition
Both Asexual and Sexual Reproduction
Term
Alveolata Cellularity
Definition
Unicellular
Term
Sporozoans Locomotion
Definition
Parasitic
Term
Plasmodium Sexual Reproduction Location
Definition
Within a Mosquito Host
Term
Plasmodium Asexual Reproduction Location
Definition
Within a human host
Term
Sporozoites
Definition
Part of plasmodium life cycle. Within mosquitos until infecting into human where they go into the liver cells
Term
Merozites
Definition
Part of plasmodium life cycle. Released from bursting of liver cells due to reproduction of the sporozoites
Term
Schizogeny
Definition
Asexual reproduction of plasmodium cells
Term
Trophozites
Definition
Part of plasmodium life cycle. Develop from merozites while within the red blood cells. Develop more merozites asexually.
Term
Microgametocytes and Macrogametocytes
Definition
Part of plasmodium life cycle. Plasmodium gametes formed after a few generations of trophozites asexually reproducing merozites.
Term
Anopheles Mosquito
Definition
Mosqutio capable of transporting sporozoites. Part of paramecium life cycle.
Term
Ciliate Habitat
Definition
Freshwater
Term
Ciliate Feeding
Definition
Heterotrophic
Term
Ciliate Locomotion
Definition
Cilia
Term
Ciliate Reproduction
Definition
Conjugation and Asexual Binary Fission
Term
Micronucleus
Definition
Participates in sexual reproduction in ciliates
Term
Macronucleus
Definition
Responsible for metabolism
Term
Paramecium contractile vacuole
Definition
Responsible for osmoregulation
Term
Plantae Environment
Definition
Stagnant bodies of water
Term
Plantae Locomotion
Definition
Flagellum
Term
Plantae Reproduction
Definition
Both asexual and sexual
Term
Plantae Zooids
Definition
Vegetative cells - Independent cells within the plantae
Term
Plantae Daughter Colonies
Definition
Products of sexual or asexual reproduction within the cell
Term
Amoeba Locomotion
Definition
Pseudopodia
Term
Amoeba Feeding
Definition
Heterotrophs - food vacuoles contain digestive enzymes
Term
Amoeba Environment
Definition
Freshwater, Seawater, and Soil
Term
Amoeba Reproduction
Definition
Asexually via Binary Fission
Term
Nested Clade
Definition
A clade within another clade, can be nested at any level
Term
Taxon
Definition
Any group of organisms
Term
Sister Group
Definition
Groups that occupy adjacent branches within the tree
Term
Outgroup
Definition
Group known to have diverged before the rest of the taxa
Term
Root
Definition
First branch to diverge
Term
Phylogenetic Nodes
Definition
A fork in the tree
Term
Phylogenetic Tips
Definition
The end point of a branch (groups living today)
Term
Monophyletic Group
Definition
Group of organisms that includes ALL descendants of a common ancestor
Term
Paraphyletic Group
Definition
All organisms descended from a common ancestor BUT the group excludes some descendants
Term
Polyphyletic Group
Definition
Members of the group do not share a common ancestor
Term
Homologous Trait
Definition
Start from same thing and evolve into different functions.
Example: Human Arm, Cat Paw, Whale Flipper, and Bat Wing
Term
Analogous Trait
Definition
Start from different functions but evolve into the same basic function.
Example: Wings from different organisms
Term
One-Ancestor Theory - Ancestor name
Definition
Choanoflagellates
Term
Clade Porifera
Definition
Sponges
Term
Sessile Feeding
Definition
Feeding dependent on water flowing through carrying food particles
Term
Spicules
Definition
Part of endoskeleton that forms structure, spikey
Term
Bernoulli's Effect
Definition
Shape of sponge creates a higher flow of water across osculum which causes lower pressure within the sponge pulling water in.
Term
Ascon
Definition
Simple small sponge no folding
Term
Sycon
Definition
A little more complex sponge with simple folding
Term
Leuconoid
Definition
Complex system of folding of the sponge
Term
Choanocytes
Definition
Specialized cell with collar and flagella which creates a current within sponge and captures food to send to amoebocytes
Term
Amoebocytes
Definition
Transports food and digests food, able to transform into a needed cell type, aids in creation of spicules
Term
Pinacocytes
Definition
Regulate osmosis and surface area of the sponge, line the exterior
Term
Clade Cnidaria
Definition
First Diploblastic, Polyps and Medusas, can digest food extracelluarly
Term
Mainly Polyp stage
Definition
Hydrozoans and anthozoans
Term
Mainly Medusa stage
Definition
Scyphozoa
Term
Cnidocyte
Definition
Capsule that houses the nematocyst
Term
Nematocysts
Definition
Tiny threads discharged into prey when in contact, Penetrate prey and inject poison
Term
Clade Hydrozoa
Definition
Hydra, Portuguese Man of War, Obelia, No rings, Polyp stage dominant, asexual and sexual reproduction
Term
Obelia Life Cycle
Definition
Medusae release sperm and egg - forms into a zygote - divides to form the blastula - matures into a planula larva - settles on bottom - budding process forms into a new colony (asexual reproduction) - gonangium forms and releases medusa buds - medusa buds mature into medusae
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