Chapter 13.1 Flashcards
At what level of organization do ecologists study environments?
different levels
ecology
the study of the relationships among organisms and their environments.
the study of the interactions among living things, and between living things and their surroundings.
ecology
what is an organism?
give and example.
an individual living thing
ex: any living thing (answers vary)
what is a population?
a group of the same species that lives in one area.
what is a community?
a group of different species that live together in one area.
what is an ecosystem?
includes all of the organisms as well as the climate, soil, water, rocks, and other nonliving things in a given area.
what is a biome?
a major regional or global community of organisms characterized by the climate conditions and plant communities that thrive there.
what are the order of environments from small to large? (5)
organism population community ecosystem biome
what does ecological research methods include?
observation
experimentation
modeling
used for easy to spot species (binoculars or scopes)
direct surveys
used for species that are difficult to track and include looking for other signs of their presence.
indirect surveys.