Definitions for the final (ALMOST FREE!) Flashcards
niche
an organism’s functional role in the ecosystem
carrying capacity
the max amount of organisms a population could have before the environment is no longer perfect
abiotic
all the nonliving factors of an ecosystem
acceleration
higher birth rate than death rate
mimicry
learns to look like a harmful organism so it doesn’t get eaten
symbiosis
close relationship between two different species
commensalism
benefits only one party, but the other party is unaffected
parasitism
only one organism is benefited and the other is harmed in the process
ecological succession
the orderly process of community chance. It involves the replacement of the dominant species in the community
biotic
al living factors in an ecosystem
population
groups of individuals pf the same species in a particular geographic area
community
all the populations in a given area
ecosystem
the community plus the nonliving area
biosphere
all the ecosystems of the whole planet
circulatory system
how substances move from one point in the body to another
blood
plasma and other formed elements
arteries
carry oxygen rich blood away from the heart
veins
carry oxygen poor blood toward the heart
capillaries
smallest of the blood vessels
heart`
a muscle about the size of your fist
heart attack
when one of the arteries becomes blocked by part of the oxygen
plasma
the part of blood made of ions, water, plasma proteins, and travelers.
formed elements
rbc, wbc, platelets.
erythrocytes
red blood cells
