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Biology

Across
The study of how living organisms interact with each other and with their physical environment
A decline of the overall quality of soil, water, or vegetation in an area, caused by human activities or natural events.
Any drifing aquatic organism that lives, at least during the planktonic stage of its life, in open waters of the ocean or other body of water
A symbiotic relationship in which one species is harmed, while the other species neither benefits nor is it harmed
The ability to meet a communities present needs without compromising the ability of future generations to meet their own needs
Describes factors in an environment that are not, and have never been living including temperature, light, and precipitation
A symbiotic relationship in which one species benefits, while the other species is harmed but not killed
The amounts of resources and energy it takes to make a product, the duration of the products usefulness to the consumer, and how the product is disposed of, recycled or reclaimed when it is no longer needed.
A symbotic relationship in which one species benefits, while the other species does not benefit but is not harmed
Describes factors in an environment that are associated with living organisms
A Community of various organisms interacting with each other within a particular physical environment
Organisms that obtain energy by eating dead or decaying
Down
Organisms that must eat other organisms to obtain information
A species considered to be not naturally found in an environment
The specific environment that an organism lives in based on what the organism requires to survive
A nonnative species that enters a new area, causing harm to the native species and environment, the economy or human health
The assortment of species on earth; within and between ecosystems; and the variation in the genetic composition of a species
The cycle in which carbon moves between reservoirs
A symbiotic relationship in which both species benefit
An observation or calculation that shows the presence or state of a condition or trend
Organisms able to produce their own food, often through photosynthesis
A large region classified by the interaction of the living organisms, climate and geographical features
Information that refutes or supports a claim or hypothesis; information that leads to the development of a claim or hypothesis
An exchange of one thing for another; giving up something that is a benefit or advantage, in exchange for some other benefit or advantage. Trade offs usually involve balancing benefits and risks