Ch. 52—Intro to Ecology & the Biosphere Flashcards
__________ is the scientific study of the interactions between organisms and the environment; These interactions determine the distribution of organisms and their abundance.
-Ecology.
Ecological hierarchy:
Organismal > Population > Community > Ecosystem > Landscape > Global
The __________ is the global ecosystem, the sum of all the planet’s ecosystems
-biosphere.
______ _______ examines the influence of energy and materials on organisms across the biosphere
-Global ecology.
A \_\_\_\_\_\_\_\_ (or seascape) is a mosaic of connected ecosystems.
-Landscape.
________ ________ focuses on the exchanges of energy, materials, and organisms across multiple ecosystems.
-Landscape ecology.
An ________ is the community of organisms in
an area and the physical factors with which they interact
-Ecosystem.
_________ ________emphasizes energy flow and chemical cycling among the various biotic and abiotic components.
-Ecosystem ecology.
A ________ is a group of populations of different species in an area.
-Community.
_______ _________ examines the effect of
interspecific interactions on community structure and organization
-Community Ecology.
A _________ is a group of individuals of the same species living in an area.
-Population.
_______ _______ focuses on factors affecting
population size over time.
-Population Ecology.
________ _________ studies how an organism’s structure, physiology, and (for animals) behavior meet environmental challenges.
-Organismal ecology.
