APES Fall Final Exam Review #3
Terms in this set (12)
A series of steps in which organisms transfer energy by eating and being eaten
Genetic drift resulting from the reduction of a population, typically by a natural disaster, such that the surviving population is no longer genetically representative of the original population.
Illegal killing or removal of wildlife from their habitats
Legumes are plants whose roots contain bacteria that can fix ___________ and naturally fertilize the plant.
Tragedy of the Commons
situation in which people acting individually and in their own interest use up commonly available but limited resources, creating disaster for the entire community
theory of island biogeography
demonstrates the dual importance of habitat size and distance in determining species richness
Total Fertility Rate (TFR)
The average number of children a woman will have throughout her childbearing years.
Age-structure diagram (population pyramid)
a diagram that breaks down the divisions of age into cohorts and according to sex
competition between members of the same species
The movement of deep, cold, and nutrient-rich water to the surface
The greenhouse effect occurs because
some gases absorb infrared radiation.
Resource partitioning leads species to
feed at different times, utilize slightly different prey, develop different physiological adaptations, live in slightly different regions