chapter 23 Flashcards
1
Q
trophic level
A
level on the food web
2
Q
indirect effect
A
one species alters the effect that another species has on another
3
Q
trophic cascades
A
interactions between trophic levels cascade to a third trophic level
4
Q
top down control
A
abundances kept low because of predation
5
Q
bottom up control
A
abundances kept low because of resource limitation
6
Q
difficulties of herbivory
A
plant tissues are hard to convert into animal tissues
7
Q
generalist species
A
animals that can eat a variety of foods and survive in many different habitats
8
Q
specialist species
A
animals that require very unique resources
9
Q
green world hypothesis
A
predators keep herbivore populations in check so that they don’t consume all the plants
