food webs and trophic cascades Flashcards
1
Q
ecological succession
A
the changes an ecosystem goe through to establish organisms and predictable behaviors
2
Q
primary succession
A
begins on barren rock
3
Q
secondary succession
A
Begins on soil
4
Q
producer
A
organisms that make their own food
5
Q
primary trophic level
A
organisms that eat producers
6
Q
secondary trophic level
A
organisms that eat primary
7
Q
tertiary trophic level
A
organisms that eat secondary
8
Q
quaternary trophic level
A
organisms that eat tertiary
9
Q
What is a trophic Cascade
A
the keystone species has a negative effect on the ecosystem diversity
10
Q
A
