Ecology Exam Flashcards
What are the three types of symbiotic relationships?
parasitism, commensalism, mutualism
What is species richness?
the number of different species in a community
What is species diversity?
the relative number of each of the species
Which biome is the most species rich?
Tropical rain forest
What is succession?
the regular progression of species replacements in an area
Define primary succession
succession where no previous plants have grown
Define secondary succession
succession in an area that was cleared by a fire or forest clearing
Why is lichen considered a pioneer species?
it is the first organism in a new habitat
What is biomass?
the organic material that producers make
What is the difference between gross and net primary income?
Gross is the rate at which producers in an ecosystem capture energy. Net is the rate at which biomass accumulates in an ecosystem.
Where would you find the tundra?
alaska
Where would you find taiga?
canada and asia
Where would you find temperate forest?
east us and europe
Where would you find tropical rain forest?
near the equator (top of south america, central africa)
Where would you find temperate grasslands?
central us and south africa
