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46 Cards in this Set

  • Front
  • Back

How do fungi reproduce?

Back (Definition)

Ecosystem

Living in Air, earth, or water.


Communities of living and non living things interacting.

Community

Animals and plants that live in one place

Population

One specific species

What are the two types of cells

Prokaryotic and Eukaryotes

Prokaryotic

smaller, simpler.


Does not have a membrane-bound nucleus.


Includes all bacterial cells.

Eukaryotes

Larger, complex cell.


Have a Membrane-bound nucleus.


Plants, animals, fungi, and protist cells.

What are the 3 domains

Bacteria, Archaea, Eukarya

What are the 6 kingdoms

Animalia, Plantae, Protista, Fungi, Eubacteria, Archaebacteria

Animalia kingdom

Multicellular, Eukaryotic


Largest kingdom.

Plantae

Multicellular, eukaryotic.


Flowering plants, mosses, and ferns

Protista

Eukaryotic, Unicellular, and Multicellular.


Slime, molds, algae.


All microscopic organisms.

Fungi

Multicellular, Eukaryotic.


Mushroom, mold, mildew.


Can’t make their own food so they aren’t plants.


Get food from dead plant parts.

Eubacteria

Unicellular, Prokaryotic.


Helpful, produce vitamins.

Archaebacteria

Unicellular, Prokaryotic.


Found in extreme environments (boiling water, acid, thermal vents, volcanoes)


Ancient bacteria.

Species

Organisms that can interbreed and produce fertile offspring

What is the 2 name system called

Binomial nomenclature

What are the two parts of naming a species

Genus name, and species name

Taxonomy

Science of naming organisms and assigning them to groups

Systematics

The study of biodiversity and the relationships among organisms.

What are the 7 taxonomic levels

Kingdom


Phylum


Class


Order


Family


Genus


Species

What are the 7 taxonomic levels

Kingdom


Phylum


Class


Order


Family


Genus


Species

Phylogeny

Reconstruction of evolutionary relationships in a “family tree”

Formula for specimen size

SS = Field view / # of specimens that will fit across your FV

Diagram magnification formula

DM = size of drawing (mm) / Specimen size (mm)

GRAMMIC

G - growth and development


R - reproduction


A - adapt through evolution


M - metabolism


M - movement


I - irritability (responds to stimuli)


C - composed of cells

virus

Small, non-living particles that consist of genetic material surrounded by a capsid


Has either DNA or RNA but never both

3 types of viruses

Baterial : bacteriophage, animal, plant : viroid

Viroids

Affect the growth and coloration of plant parts (ex. Leaves, petals)


Strands or circles of RNA


No capsid.

Animal viruses - host range

1) carrier hosts : virus reproduces but will not harm the host


2) prey hosts : viral reproduction is lethal to the host

The Lytic Cycle

1) Binding : virus binds or sticks to the surface of host cell.


2) Synthesis : viral genetic materials are released into the nucleus of the host cell to be replicated.


3) Assembly : viral DNA/RNA instructs the cell to make and assemble new viral DNA and capsids


4) Lysis : host cell bursts, the new viruses leave to infect other cells.

The Lytic Cycle

1) Binding : virus binds or sticks to the surface of host cell.


2) Synthesis : viral genetic materials are released into the nucleus of the host cell to be replicated.


3) Assembly : viral DNA/RNA instructs the cell to make and assemble new viral DNA and capsids


4) Lysis : host cell bursts, the new viruses leave to infect other cells.

Lysogenic Cycle

Viral DNA is dormant in cell and carried through many generations.


Steps.


1) Binding and Attachment


2) DNA/RNA of virus integrated into cell’s DNA but remain inactive


3) Replicated with host DNA and passed onto daughter cells.


4) Dormant stage is called lysogeny.


5) Cycle continues until a trigger happens and the virus can become active or enter the lytic cycle


Triggers include: sun, stress, chemicals, radiation etc.

Kingdom Archaebacteria characteristics and 3 phyla

- oldest of all organisms on earth


3 phyla: anaerobic methanogens, halophiles, thermophiles.


Anaerobic methanogens: live in the gut of animals, produce methane gas on earth


Halophiles: salt loving bacteria


Thermophiles: heat loving bacteria


Archaebacteria can survive in hot, acidic, and salty environments.

Kingdom Eubacteria Characteristics

•unicellular


•prokaryotes


•single chromosome forms a loop called a plasmid


•flagella for transportation

Kingdom Eubacteria Characteristics

•unicellular


•prokaryotes


•single chromosome forms a loop called a plasmid


•flagella for transportation

3 basic shapes for bacteria and the 4 prefixes

1) coccus = round [think coccus has an “o” in it]


2) bacillus = rod [think cill=pill]


3) sprillum = spiral


Prefixes


mono = one


diplo = two


strepto = chain


staphylo = clump [like grapes]

bacterial reproduction : binary fission

•asexual reproduction


•grow at an exponential rate when given the right amount of nutrients.


step 1) chromosomes duplicate and copies get separated.


step 2) cell elongates and copies of chromosomes move towards poles.


step 3) cell divides into two daughter cells

bacterial reproduction : conjugation

step 1) donor cell makes contact with recipient cell


step 2) conjugation tube forms at site of contact, bridging the 2 cells


step 3) single stranded DNA of the plasmid gets transferred into the recipient cell


step 4) conjugation tube disconnects

name some helpful bacteria

Back (Definition)

name some non-helpful bacteria

Back (Definition)

who created penicillin, what is it, and what does it do?

•alexander fleming in 1930s


•mold juice used to kill bacteria

who created penicillin, what is it, and what does it do?

•alexander fleming in 1930s


•mold juice used to kill bacteria

What are fungi cell walls made from?

Chitin

Autotroph, heterotroph, and mixotroph

Autotroph : produce their own food


Heterotroph : depend on other organisms for nutrients


Mixotroph : both

Evolutionary milestones of animals order

1. Base definition (heterotroph, diploid, multicellular, develop from zygote)


2. Presence of Radial symmetry (symmetrical all around)


3. Development of bilateral symmetry


4. Development of germ layers (ectoderm, mesoderm, endoderm)


5. Development of body cavity (coelom) to surround and contain internal organs


6. Protostome development


7. Segmentation


8. Jointed appendages


9. Deuterostome development


10. Development of large dorsal nerve cord


11. Backbone