Ecology

a relational difference between states; especially between states before and after some event

the physical property of a material that can return to its original shape or position after deformation that does not exceed its elastic li

the quality of being intricate and compounded

meant or adapted for an occasion or use

coming next after the second and just before the fourth in position

of first rank or importance or value

being of second rank or importance or value

the diversity of plant and animal life in a particular habitat (or in the world as a whole)

the central building block or a central source of support and stability

gradually intrusive without right or permission

confined to a certain region

characteristic of or existing by virtue of geographic origin

A species whose relative well-being in a given environment is a sign of the overall health of its ecosystem

species whose numbers are so small that the species is at risk of extinction

principle of physics that the total energy of an isolated system is constant despite internal changes

fundamental principle of physics that matter cannot be created or destroyed

the idea that everything in the universe eventually moves from order to disorder

the branch of physics concerned with the conversion of different forms of energy

a community of organisms where each member is eaten in turn by another member

a community of organisms where there are several interrelated food chains

of or relating to food or nutrition

conversion of one form of energy to another

depiction of the amount of energy in each trophic level of an ecosystem

total mass of living matter in a given unit area

the gradual and orderly process of change in an ecosystem

characterized by the interdependence of living organisms in an environment

a relative position or degree of value in a graded group

classified according to various criteria into successive levels or layers

an ordered manner

a group of interdependent organisms inhabiting the same region and interacting with each other

being shed at the end of a period of growth

all of the individuals of the same species within an ecological community

organisms that can make their own energy through biochemical processes

organisms that get their energy from eating other organisms