Shared Flashcard Set

Details

BIOLOGY! :(
N/A
53
Biology
9th Grade
01/21/2010

Additional Biology Flashcards

 


 

Cards

Term
Length
Definition
meter - meter stick
Term
weight
Definition
pounds - scale
Term
mass
Definition
grams - balance
Term
temperature
Definition
celsius - thermometer
Term
volume
Definition
liter - graduated cylinder
Term
energy
Definition
ampere
Term
5 characteristics of life
Definition
cells, grow and develop, respond to stimuli, take in energy, reproduce
Term
Stimulus
Definition
what causes a reaction
Term
response
Definition
how one reacts to stimulus
Term
homeostasis
Definition
balance/stability
Term
atom
Definition
simplest form of matter 1
Term
compound
Definition
consists of 2 or more atoms 2
Term
cell
Definition
basic unit of life 3
Term
tissue
Definition
group of similar cells 4
Term
organ
Definition
group of similar tissues 5
Term
organ system
Definition
groups of different organs that work to perform a characteristic of life 6
Term
organism
Definition
consists of all organ systems needed to perform the 5 characteristics of life 7
Term
population
Definition
a group of similar organisms living in a specific area
Term
community
Definition
all the different organisms living in a specific area
Term
ecosystem
Definition
living and nonliving structures in a specific area
Term
biome
Definition
a large area of the planet that has its own climate
Term
biosphere
Definition
where all life exists on earth
Term
prokaryotes
Definition
no nucleus
Term
eukaryotic cells
Definition
have a nucleus
Term
unicelluar
Definition
single celled organism
Term
multicelluar
Definition
an organism with many cells
Term
energy
Definition
moves up the trophic level (lose 10% each step up)
Term
producers
Definition
make their own food
Term
consumers
Definition
unable to make their own food, must find a food source
Term
scavengers
Definition
an organism which feeds off the dead remains of an organism
Term
decomposers
Definition
an organism which breaks down organic waste and returns nutrients back to the soil
Term
food web
Definition
shows both direct and indirect relationships among all organisms in an ecosystem
Term
food chain
Definition
shows the direct relationship between predator and prey
Term
herbivore
Definition
eats producers (plants)
Term
carnivore
Definition
eats consumers (meat)
Term
omnivore
Definition
eats both producers and consumers (plants and meats)
Term
autotroph
Definition
makes own food
Term
hetertroph
Definition
must eat other organisms to survive
Term
commensalism
Definition
one organism benefits and the other neither benefits or is harmed
Term
mutualism
Definition
both organisms benefit from the relationship
Term
parasitism
Definition
one organism benefits from the relationship while the other organism is harmed
Term
immigration
Definition
species coming in to a population
Term
emmigration
Definition
species going out of a population
Term
adaptations
Definition
characteristics that enable a member of species to change to survive in their enviroment
Term
competition
Definition
survival of the fittest
Term
natural selection
Definition
individuals that have characteristics that enable them survive and produce more offspring. The strong survive
Term
organic molecules
Definition
contain carbon
Term
inorganic molecules
Definition
do not contain carbon
Term
4 organic molecules and functions
Definition
carbohydrate, protein, lipids, nucleic acids
Term
carbohydrates
Definition
provide energy (store energy)
Term
proteins
Definition
provide structure
Term
lipids
Definition
provide insulation (stores energy; not as much as carbs)
Term
nucleic acids
Definition
provide DNA/RNA
Supporting users have an ad free experience!