R and K Selected Organisms Flashcards
What type of environment do R-selected organisms live in?
Unstable environments
Have a low success rate in surviving adults
Do R-selected organisms mature rapidly or slowly?
Rapidly
How long do R-selected organisms typically live for?
A short term
Most die before they reproduce
How many offspring do R-selected organisms have?
Many
Tend to overproduce
High fecundity rate
What kind of parenteral strategies do R-selected organisms use?
No parental investment
What is the dispersal rate of R-selected organisms?
High
Opportunistic
Tend to invade new areas
What type of environment do K-selected organisms live in?
Stable environments
Have a high success rate in surviving adults
Do K-selected organisms mature rapidly or slowly?
Slowly
How long do K-selected organisms typically live for?
A long term
Low juvenile mortality rate
How many offspring do K-selected organisms have?
Few offspring at a time
Low fecundity rate
What kind of parenteral strategies do K-selected organisms use?
Intensive parental care
What is the dispersal rate of K-selected organisms?
Low
Don’t tend to leave the environment in which they are born in
