Lecture 13 Flashcards
1
Q
Mesopredator
A
“mid-sized predator within an ecosystem that occupies an intermediate position in the food chain”
2
Q
Optimal foraging theory
A
how organisms make decisions about their foraging behaviour; assumes limited time/energy to forage; think where, how long, and what?
3
Q
Top-down regulation
A
consumers regulate the abundance of prey species
* In turn can influence the abundance of lower trophic levels and the structure of the community
4
Q
Bottom-up regulation
A
the availability of resources influence the abundance of consumers
* Can in turn affect the structure and dynamics of the community