Humans in the Natural World
Week 3 Notes
Niche: An ecological role and space that an organism fills in an ecosystem. Habitat.
Predator, prey, producer, consumer, decomposer, carnivore, herbivore, omnivore,
Really important and really cool:
- When there are environmental (or ecological) changes, species can adapt their niche in
order to survive. (i.e. Polar bear, Galapagos Finches)
- Or when a species is separated geographically into regions with different environmental
conditions, they will adapt their niche in order to survive. (i.e. Yamana and Shelknam)
Human are different because they occupy a diversity of niches. They are also different because
they can change their environment in order to change their niche.
Ecosystem: Community of living organisms in conjunction with non- living components
interacting as a system.
Interaction = impact
Adding and subtracting from an ecosystem will have an impact… probably negative from our
Beavers are awesome and they have the second largest footprint of all species on the p