NAME: ____________________________________
FOUNDATIONS
DATE: ___________________
4.2 Niches and Community Interactions
Defining Niche
_____________________ is the ability to survive and reproduce under a range
of environmental conditions. A species’ ___________________ determines its
____________________, the place where it lives.
Wolf’s environmental conditions/habitat? _______________________________
Dolphin’s environmental conditions/habitat? _____________________________
A __________ consists of all the physical and biological conditions in which a
species lives and the way the species obtains what it needs to survive and
reproduce. It includes the way the species obtains what it needs to ___________
and _______________.
Resources – Abiotic _______________________________________________
Biotic _______________________________________________
Squirrel niche –
Job: ________________________________________
Resources – Abiotic/Biotic
_____________________________________________
_____________________________________________
Competition
The ________________________________ states that no two species can
occupy exactly the same ____________ in exactly the same __________ at the
same _____________.
Compete for? ______________
***___________________________________________________________
NAME: ____________________________________
FOUNDATIONS
DATE: ___________________
Competition…
1. causes _________________________________________________
2. helps determine __________________________________________
3. also determines ___________________________________________
Predation, Herbivory, and Keystone Species
Predation
Herbivory
_____________ affect where __________ populations can survive.
______________ can help determine where populations of certain __________
can survive.
Changes in the population of a ________________________ can cause dramatic
changes in the structure of a community.