Biology 100 Exam Study Questions with Correct
Answers
What is life?
-there is no one define answer
-characteristic that living things share
characteristics of a living organism:
-composed of cells
-unique molecular composition(nucleic acids,protiens,etc)
-responds to external environment
-maintains homeostasis(self control of internal enviroment)
-requires energy & raw materials
-grows and reproduces
-population of living things are capable evolving
Levels of Biological Organization
atom, molecule, cell, tissue, organ, organ system, organism, population, community,
ecosystem, biosphere
atoms and molecules
chemistry of life
cell
-living things
-smallest unit of life
-all cells come from pre-ex cells
tissue
made of similar types of cells that work together
,organ
A collection of tissues that carry out a specialized function of the body
organ systems
made of different tissue types working together
organism
A living thing
population
all individuals of a particular type (species) that may interact in a particular place
community
all the different types (species) of organisms that may interact in a particular place
Ecosystem
all different types of organisms, plus the non-living(abiotic) components necessary for existence
biosphere
the portions of atmolsphere,ocean, and land where life exsists on earth
Linnean Taxonomy
how to name organisms
DKPCOFGS classification
Domain, Kingdom, Phylum, Class, Order, Family, Genus, Species
Three domains of life
Bacteria, Archaea, Eukarya
Domain Bacteria
, One of the three domains of life; contains prokaryotic cells that differ from archaea because
they have their own unique genetic, biochemical, and physiological characteristics.
Domain Archaea
Any of various single-celled prokaryotes genetically distinct from bacteria, often thriving in
extreme environmental conditions
physically similar
all unicellar
both have prokaryotic cell structure
Domain Eukarya
Domain of all organisms whose cells have nuclei, including protists, plants, fungi, and animals
unicellar
Bacteria and Archaea
physically similar
all unicellar
both have prokaryotic cell structure
Eukarya
Domain of all organisms whose cells have nuclei, including protists, plants, fungi, and animals
prokaryotic cells evolved
before eukaryotic cells
kingdom
next level of taxonomic organization
4 kingdoms of eukarya
Protista, Fungi, Plantae, Animalia
Taxonomy of Brown Bear
Answers
What is life?
-there is no one define answer
-characteristic that living things share
characteristics of a living organism:
-composed of cells
-unique molecular composition(nucleic acids,protiens,etc)
-responds to external environment
-maintains homeostasis(self control of internal enviroment)
-requires energy & raw materials
-grows and reproduces
-population of living things are capable evolving
Levels of Biological Organization
atom, molecule, cell, tissue, organ, organ system, organism, population, community,
ecosystem, biosphere
atoms and molecules
chemistry of life
cell
-living things
-smallest unit of life
-all cells come from pre-ex cells
tissue
made of similar types of cells that work together
,organ
A collection of tissues that carry out a specialized function of the body
organ systems
made of different tissue types working together
organism
A living thing
population
all individuals of a particular type (species) that may interact in a particular place
community
all the different types (species) of organisms that may interact in a particular place
Ecosystem
all different types of organisms, plus the non-living(abiotic) components necessary for existence
biosphere
the portions of atmolsphere,ocean, and land where life exsists on earth
Linnean Taxonomy
how to name organisms
DKPCOFGS classification
Domain, Kingdom, Phylum, Class, Order, Family, Genus, Species
Three domains of life
Bacteria, Archaea, Eukarya
Domain Bacteria
, One of the three domains of life; contains prokaryotic cells that differ from archaea because
they have their own unique genetic, biochemical, and physiological characteristics.
Domain Archaea
Any of various single-celled prokaryotes genetically distinct from bacteria, often thriving in
extreme environmental conditions
physically similar
all unicellar
both have prokaryotic cell structure
Domain Eukarya
Domain of all organisms whose cells have nuclei, including protists, plants, fungi, and animals
unicellar
Bacteria and Archaea
physically similar
all unicellar
both have prokaryotic cell structure
Eukarya
Domain of all organisms whose cells have nuclei, including protists, plants, fungi, and animals
prokaryotic cells evolved
before eukaryotic cells
kingdom
next level of taxonomic organization
4 kingdoms of eukarya
Protista, Fungi, Plantae, Animalia
Taxonomy of Brown Bear
