BSC 2010 UNIT 1 EXAM QUESTIONS AND 100%
CORRECT ANSWERS
Emergent Properties
novel properties that emerge at each level that are absent in the preceding level
Reductionism
understanding the more simple parts of a system is crucial to understanding the system as whole
Systems Approach
analyze the relationships between the systems parts in order to understand the situation
Biological hierarchy
(smallest to largest)
molecules
organelles
cells
tissue
organ
organism
population
community
ecosystem
biosphere
Biosphere
all life on earth
ecosystem
all living and nonliving things in an area
ex: a forest
Community
all living things in an area
ex: the trees animals and plants in the forest
Population
living individuals of one species in an area
ex: the pine trees
Organism
, individual living thing
ex: one pine tree
Organ
a component of an organism
ex: a pine tree leaf
Tissue
group of cells that work together to perform a function
cells
fundamental unit of structure
organelles
various functional components in a cell
ex: chloroplast
molecules
chemical structure consisting of atoms
How nutrients and energy move
energy--flows through an ecosystem
nutrients--cycle through
DNA
heritable info is in the structure
double helix
genome
the whole collection of DNA
Central Dogma
DNA->RNA->Protein
DNA Hierarchy
(smallest o largest)
nucleotide
polynucleotide
double helix
genes
chromatin
CORRECT ANSWERS
Emergent Properties
novel properties that emerge at each level that are absent in the preceding level
Reductionism
understanding the more simple parts of a system is crucial to understanding the system as whole
Systems Approach
analyze the relationships between the systems parts in order to understand the situation
Biological hierarchy
(smallest to largest)
molecules
organelles
cells
tissue
organ
organism
population
community
ecosystem
biosphere
Biosphere
all life on earth
ecosystem
all living and nonliving things in an area
ex: a forest
Community
all living things in an area
ex: the trees animals and plants in the forest
Population
living individuals of one species in an area
ex: the pine trees
Organism
, individual living thing
ex: one pine tree
Organ
a component of an organism
ex: a pine tree leaf
Tissue
group of cells that work together to perform a function
cells
fundamental unit of structure
organelles
various functional components in a cell
ex: chloroplast
molecules
chemical structure consisting of atoms
How nutrients and energy move
energy--flows through an ecosystem
nutrients--cycle through
DNA
heritable info is in the structure
double helix
genome
the whole collection of DNA
Central Dogma
DNA->RNA->Protein
DNA Hierarchy
(smallest o largest)
nucleotide
polynucleotide
double helix
genes
chromatin
