apes 1.1 Flashcards
biosphere
the region on, above, and below the Earth’s surface where life exists.
biome
large area with similar climate conditions that determine plant and animal species there
ecosystem
all living and nonliving things in an area
community
all living organisms in an area
population
group of individuals of same species (ex. elk herd)
individual
one organism (ex. an elk)
mutualism
relationship that benefits both species
commensalism
relationship that benefits one organism and doesn’t impact the other
parasitism
a relationship between two organisms where one benefits, and the other is harmed
predator
an organism that eats another organism
if predators decline in population what happens?
the prey population increases
if prey decline in population, what happens?
predators also decline due to lack of food
If the prey population increases what happens?
predator population increases because there’s more food
if the predator population increases what happens?
prey population decreases as they are being eating more
What is the cause of competition?
limited resources causes species to compete for the same resources