Module 13: Wildlife Ecology and Environmental Ethics

Cards (7)

how are wolves a keystone species?
removal increases prey populations which impacts plant life
how are beavers a keystone species?
dams impact what other animals live nearby
how are bison a keystone species?
selective grazing in prairies
feces spread native plant seeds, insects lay eggs
dig mud holes for larger watering areas
how are sea otters a keystone species?
maintain kelp beds by eating sea urchins that damage kelp forests
how are salmon a keystone species?
travel from seas to rivers
how are elephants a keystone species?
form deeper water holes, grazing and fecal matter
how do invasive non-native populations grow?
no natural predators