Chapter 21 Flashcards
1
Q
What is a niche?
AH
A
It is the unique way in which an organism interacts with its enviornment.
2
Q
What are some factors that control population size?
AH
A
Natural disasters, human-made disasters, diseases, competition for food and space
3
Q
What is the biotic potential?
AH
A
The maximum number of offspring an animal is capable of producing.
4
Q
What are the organizational levels of life?
AH
A
cell tissue organ organ system organism population community ecosystem biosphere
5
Q
What are the four tropic levels?
AH
A
Producers
primary consmers
secondary consumers
tertiary consumers
