Freshwater trophic dynamics L.6 Flashcards
1
Q
Food webs give indication of…
A
where animals at various trophic levels acquire energy & nutrients for growth, reproduction & survival.
2
Q
Zooplankton are what producers
A
primary
3
Q
what do secondary producers feed on
A
primary producers
4
Q
What is top-down control
A
where predation can have a cascading effect down through the food web
5
Q
What is bottom-up control
A
control of primary production by abiotic factors
6
Q
what are primary producers limited by
A
nutrients
7
Q
What order are organisms in top-down.
A
pike, carp, zooplankton & phytoplankton.
8
Q
What order are trophic dynamics in bottom-up.
A
Autotrophs, Herbivore, Primary carnivore & Secondary carnivore.
