12 Questions
What is the term for the number of organisms of a particular species in a population?
Abundance
Which type of species selection is characterized by a high growth rate, exploiting less crowded niches, and many offspring?
R-selected species
What is the term for the divided use of resources that allows a number of species to coexist in an ecosystem?
Resource partitioning
What is the term for the maximum size of a population that an ecosystem can support with its limited resources?
Carrying capacity
What type of distribution is characterized by individuals being spaced irregularly, with the location of one organism not affecting the location of another?
Random distribution
What is the term for a species of relatively low abundance that has a disproportionately large influence over lower trophic levels?
Keystone species
What is the primary source of energy for Earth?
The Sun
What is the term for the total mass of biological matter in a given area?
Biomass
What is the process by which producers convert light energy into carbohydrates?
Photosynthesis
What is the term for the maximum population size that can be supported by an environment?
Carrying Capacity
What is the term for organisms that can synthesize their own organic compounds from inorganic materials?
Autotrophs
What is the term for the pathway of matter through the living and non-living components of an ecosystem?
Biogeochemical Cycle
Test your knowledge of the fundamentals of energy, matter, and the cycles that connect the living and non-living components of an ecosystem. From the sun's solar energy to chemical interactions in the earth's crust, see how well you understand these essential concepts.
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