CHAPTER 3 Flashcards
part of earth in which life exists including land, water, and air or atmosphere
biosphere
group of similar organisms that can breed and produce fertile offspring
species
group of individuals of the same species that live in the same area
population
assemblage of different populations that live together in a defined area
community
collection of all the organisms that live in a particular place, together with their nonliving environment
ecosystem
group of ecosystems that have the same climate and dominant communities
biome
organism that can capture energy from sunlight or chemicals and use it to produce its own food from inorganic compounds- producer
autotroph
scientific study of interactions among organisms and their environment
ecology
process where plants and other organisms light energy to convert water and carbon dioxide into oxygen
photosynthesis
process where some organisms, such as certain bacteria, use chemical energy to produce carbohydrates
chemosynthesis
organisms that relies on other organisms for its energy and food supply; a- heterotrophs
consumers
organism that obtains energy by eating animals
carnivore
organism that feeds on plants and animal remains and other dead matter
detritivore
series of steps in an ecosystem in which organisms transfer energy by eating and being eaten
food chain
network of complex interactions formed by the feeding relationships among the various organisms in an ecosystem
food web
