biotic factors
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5 Terms
Name 4 biotic factors
New pathogens
Availability of food
Competition
New predators
Why would availability of food be importanat
More food means organisms have a higher chance of surviving and reproducing
This means their population can increase
Why are new predators important?
IN BALANCED ECOSYSTEMS, PREDATORS CATCH ENOUGH PREY TO SURVIVE BUT NOT SO MANY THAT THEY WIPE OUT THE PREY POPULATION. IF A NEW PREDATOR Is INTRODUCED TO THE ECOSYSTEM, IT MAY BECOME UNBALANCED |
Why are new pathogens important
IF A NEW PATHOGEN ENTERS AN ECOSYSTEM, THE POPULATIONS LIVING THERE WILL HAVE NO IMMUNITY OR RESISTANCE TO IT AND THE POPULATION MAY DECLINE OR BE WIPED OUT |
Why is competition important
IF TWO SPECIES COMPETE FOR THE SAME RESOURCE(S) AND ONE IS BETTER ADAPTED TO TAKE ADVANTAGE OF THESE RESOURCES, THEN THAT SPECIES WILL OUTCOMPETE THE OTHER. THIS MAY CONTINUE UNTIL THERE ARE TOO FEW MEMBERS OF THE LESSER ADAPTED SPECIES TO BREED SUCCESSFULLY |
