chapter 20- ecology Flashcards
what is ecology
the study of the interactions between organisms and their environment
what abiotic and biotic environments
abiotic=physical or nonliving
biotic=living
levels biological organization
atoms, molecules, cells, issue, organs organism, species population, communities, ecosystem, biomes, biosphere
what is an organism
the individual unit of an ecological system
what is a species
any group of similar organisms that are capable of producing fertile offspring
what is population and what aids in maintaining it at relative constant levels
is a group of organisms of the same species living in the same habitat
-Environmental factors
what is a niche
the functional role of an organism or population
-Forms the habitat
what is the habitat
the physical place where an organism lies
