The abundance and distribution of organisms in an ecosystem is determined by biotic and abiotic factors. Animals and plants compete for resources.
What term describes all the living things and the non-living things in an area?
What term describes all the living things in an area?
Which of these is a biotic factor?
Which of these is an abiotic factor?
Which of these factors do plants compete for in the environment?
Which of these factors do animals compete for in the environment?
What would happen to the numbers of predators if the number of prey suddenly decreased?
Population numbers would decrease
Population numbers would stay the same
Population numbers would increase
What would happen to the numbers of prey if the number of predator decreased because of an outbreak of disease?
Prey numbers would increase
Prey numbers would decrease
Prey numbers would stay the same
Why did the introduction of the grey squirrel in Britain affect the population of the red squirrel?
What term describes all organisms in a community?