4.1-4.2 Vocab Checkpoint
Terms in this set (20)
the organisms of a particular habitat together with the physical environment in which they live - for example, a tropical rain forest.
a group of individuals of common ancestry that closely resemble each other and are normally capable of interbreeding to produce fertile offspring
a group of organisms of the same species that live in the same area at the same time.
a group of populations of organisms living and interacting within a habitat.
aspect of the environment that is not living - for example, humidity, temperature, salinity, wind, soil particles.
the study of the relationships between living organisms and their environment, including both the physical environment and the other organisms that live in it.
organism able to make its own food from simple inorganic materials and an energy source.
an organism that feeds on organic molecules.
an organism that feeds on another organism.
an organism that feeds on dead organic matter through ingestion.
organism that feeds on dead organic matter through absorption.
organism that feeds on dead plant and animal matter so that it can be recycled; most decomposers are microorganisms.
A small-scale, self-sustaining natural system that can be used to study part of an ecosystem under controlled conditions.
'living together' - includes commensalism, mutualism and parasitism.
a sequence of organisms in a habitat, beginning with a producer, in which each obtains nutrients by eating the organism preceding it.
an autotrophic organism.
a group of organisms that obtain their food from the same part of a food web and which are all the same number of energy transfers from the source of energy (photosynthesis).
an organism that feeds on a primary producer.
a series of interconnected food chains.
diagram that shows the total energy content at different trophic levels in an ecosystem.