It is the basic unit of life

individual entity that embodies the properties of life

a group of closely associated, similar cells that work together to carry out specific functions

group of organs that work together to perform a certain function in an organism's body

a group of tissues in a living organism that have been adapted to perform a specific function

It consists of all the members of a species living in a given area at the same time

It refers to all organisms of the same kind that are genetically similar enough to breed in nature and produce live, fertile offspring

populations of different species in a particular area

composed of a biological community and its physical environment

worldwide sum of all ecosystems

The ultimate source of energy

linear sequence of organisms through which nutrients and energy pass as one organism eats another

transforms light energy to chemical energy (photosynthesis)

All were kinds of consumers except;

describes both the role played by a species in a biological community and the total set of environmental factors that determine a species distribution

Organism feeds directly on another living organism

Ecological Interaction that is One organism benefits while the other neither benefits nor is harmed

Ecological Interaction that is One organism benefits from another organism, inflicting harm or damage

describes the place or set of environmental conditions in which a particular organism lives