Biology Crossword

Nonliving Factors
close and often long-term interaction between two different biological species. I
the ratio of the number of births to the size of the population;
death rate
symbiosis that is beneficial to both organisms involved
community of living organisms called producers, consumers, and decomposers.
summation of all the organisms of the same group or species, which live in a particular geographical area
a species that has a large effect on its environment relative to its abundance
occurring in an environment in which new substrate devoid of vegetation and other organisms usually lacking soil
ecological succession that occurs on a preexisting soil after the primary succession has been disrupted or destroyed due to a disturbance
is the increasing concentration of a substance
maximum population size of the species that the environment can sustain indefinitely
destruction of a whole species by a force of nature such as climate change, volcanic eruption, or asteroid collision
a graphical representation designed to show the biomass or biomass productivity at each trophic level in a given ecosystem
factors where the effects on the size or growth of a population vary with the density of the population itself
A factor that affects the size of a population independent or regardless of the population density
A factor present in an environment that controls a process, particularly the growth, abundance or distribution of a population of organisms in an ecosystem.
generally refers to the variety and variability of life on Earth.
Humankind benefits in a multitude of ways from ecosystems.