4. Predators and Prey are connected
ïIf prey increase â more food for
predators, more predators
ï
predators increase â shortage of
prey, some predators wonât get
enough food, leave or die
ïIf
5. ï
In ecosystems living things compete
for resources.
â the demand for a
resource by two or more organisms
ïCompetition
6. ï
Members of different populations
compete for resources:
âą deer and squirrels eat acorns
âą dandelions and grass compete for space
âą hawks, owls, and snakes compete for mice
7. ï
If one animal or group gets too much
of a resource there may not be
enough for the other groups
8. ï
Humans can destroy habitats by
building houses and buildings.
â the role of an organism in
their environment
ïniche
âą ex â a plant is a producer