Week 5 exam notes
Obligate mutualists must live with a partner species.
Carrying capacity refers to the number of individuals who can be supported in a given
area within natural resource limits, and without degrading the natural social, cultural and
economic environment for present and future generations.
Population Growth: Population growth is the change in the number of individuals
during some period of time
Equation for population size: (Pt2) = Pt1 + B - D + I – E
Matching terms with definitions:
An interaction between two or more species, where
__1_ species derive a mutual benefit, for example an 1. Mutualism
increased carrying capacity.
The relationship between two species which interact
__2_ but do not affect each other.
__3_ An interaction between organisms or species, in
which one species benefits at the expense of another.
An interaction between organisms or species, in
__4_ which the fitness of one is lowered by the presence of