UNIT 1 - ALL TERMS Flashcards
Characteristics Of Life
ORDER
organization within an organism based off living cells
ex. each cell has a certain function
Characteristics Of Life
REPRODUCTION
Capability to reproduce
Characteristics Of Life
GROWTH & DEVELOPMENT
Inherited DNA dictates path for the growth and development of organisms.
Characteristics Of Life
ENERGY PROCESSING
(food) chem. energy in food to power its own processes and reactions
Characteristics Of Life
RESPONCE TO ENVIROMENT
response to environmental stimuli
Characteristics Of Life
REGULATION
Internal mechanisms that regulate the body
ex. body temp, urination
Characteristics Of Life
EVOLUTIONARY ADAPTATION
Evolution over mult. generations via natural selection
def. HOMEOSTASIS
steady internal envirometn
Order the Hierarchy of LIFE
(largest -> smallest)
Biospheres
Ecosystem
Community
Population
Organism
Organ System
Organ
Tissues
Cell
—–
Organelle
Molecule
def. BIOSPHERE
All environments on EARTH that support life
def. ECOSYSTEM
Contains all life living within a particular area with set conditions (air, soil, water, sunlight)
def. COMMUNITY
the array of organisms within the ecosystem
def. POPULATION
all individuals of a SPECIES within a certain area
def. ORGANSIM
an individual living thing
def. Organ System
mult. organs that cooperate for a specific function
def. ORGAN
several diff. tissues combined
def. TISSUES
group of similar cells preforming a specific function
def. CELL
building block of life (contains organelles)
LOWEST LEVEL OF STRUCTURE THAT CAN PREFORM ALL REQUIREMENTS OF LIFE
def. ORGANELLE
membrane enclosed structure performing a specific cell function (ex. nucleolus)
def. Molecule
org. cluster of chemical units held through chemical bonds (DNA)
EMERGENT PROPERTIES
increase complexity of interactions upward in the hierarchy yields new properties
What is the Cell’s purpose in multi-celled organism?
To support REPRODUCTION & GROWTH AND REPAIR
Most bacteria are ____ - cellular organisms
SINGLE
Shared Characteristics b/t Prokaryotic and Eukaryotic cells
- membrane (regulates passage b/t cell and surroundings)
- uses DNA as genetic information
