29. niche
example: encroachment by
humans changes
their habitat to an
urban environment
and they start to live
off of our trash and
other waste
raccoons
31. A beaver’s niche in the ecosystem includes:
• cutting down trees
• building a dam to flood an
area and make a pond
• building a lodge to live in
• raising a family of beavers
• chewing bark and wood
niche
32. Red-Tailed Hawk & Barred Owl
•Birds of prey
•Live in forests
on the edge of
fields
•Eat mice and
other rodents
•Nest in trees
33. •No two species can occupy the exact
same niche, because no two species do
the exact same thing.
34. •If they do, or try
to, one will do it
better and the other
will have to change
or become extinct.