Biology crossword puzzle online

Can be described as all of the abiotic and biotic factors in the area where an organisms lives.
A close ecological relationship between two or more organisms of different species that live inn direct contact with one another.
An interspecies interaction in which both organisms benefit from one another.
A relationship similar to predation in that one organisms benefits while the other is harmed.
A relationship between two organisms in while one receives an ecological benefits from one another.
A measurment of the number of individual living in a defined space.
The way in which individual =s of a population are spread in an area or a volume.
a generalized diagram showing the number of surviving members over time from a measured set of births.
The movement of individuals out of a population and into another population.
The movement f individuals into a population from another population.
an environment is the maximum number of individuals of a particular species that the environment can normally and consistently support.
A dramatic decline in the size of a population over a short period of time.
The factor that has the greatest effect in keeping down the size of a population.
The sequence of biotic changes that regenerate a damaged community.
The first organisms that live in a previously uninhabited area.
the establishment and development of an ecosystem in an area that was previously uninhabited area.