Biological Oceanography Flashcards
1
Q
What is the main source of food for sea otters?
A
benthic inverts and fish.
2
Q
What is a keystone predator?
A
One that preferentially feeds on prey that are capable of excluding subordinate spp. through competition for a required resource.
3
Q
Sea otter scientific name
A
Enhydra lutris
4
Q
Sea otter occupied range before hunters
A
Northern Japan to Baja California
5
Q
Between what years were sea others decimated by fur hunters?
A
1741 to 1922
6
Q
What is the sea otter’s food requirement?
A
20-23% body weight per day
