1-environment Flashcards
World Environment
Day
5 June
environment word origin
Environment: French
word Environer
Environment: French
word Environer
Ecosystem
It is a
system formed by the
interaction of all
living organisms with
each other and with
the physical and
chemical factors of
the environment in
which they live, all
linked by transfer of
energy and material.
ecology
Ecology is the study of organisms and how they interact with the environment around them
ecotone
An ecotone is a transition area between two ecological communities, ecosystems, or regions
Energy flow
Energy flow is the flow of energy through living things within an ecosystem. All living organisms can be organized into producers and consumers, and those producers and consumers can further be organized into a food chain.
flora and fauna
Flora is the term for plant life, while fauna is the term for animal life:
Flora
Trophic level
Trophic level is defined as the position of an organism in the food chain
A nutrient cycle
A nutrient cycle is the process by which nutrients move through an ecosystem, affecting the food web, productivity, and consumption
Biomagnification
Biomagnification is the process by which toxic substances, like pesticides and chemicals, build up in organisms at higher levels of a food chain
Biotic interactions
Biotic interactions refer to the relationships among organisms. They can be intraspecific (between members of the same species) or interspecific
Ecological succession
Ecological succession is the process by which the mix of species and habitat in an area changes over time
bioaccumulation
Bioaccumulation is the process by which chemicals build up in an organism over time, when the rate at which chemicals are taken in is greater than the rate at which they are excreted
