topic 9 - ecosystems (biotic factors and communities) Flashcards
1
Q
biodiversity
A
the variety of species in an area
2
Q
biotic factors
A
living components (the organisms) in an ecosystem
3
Q
predation
A
when one animal species kills and eats another animal species
4
Q
predator-prey cycle
A
the regular variation in numbers of predators and numbers of prey within a feeding relationship
5
Q
examples of biotic factors
A
predation, competition, grazing, disease outbreaks, pathogens
