from nearby plants of other species. In the reference column of Table 1, only the first chromosome number report for a species is cited. The following subgenera, with the number Received for publication 13 Mar. 1995. Accepted for publication 14 July 1995. This research was funded by CRIS 5358-21000-011-000 at the U.S.
ecological. adj. 1. (Environmental Science) of or relating to ecology. 2. (Environmental Science) (of a practice, policy, product, etc) tending to benefit or cause minimal damage to the environment.
Ecology is the study of the interactions between organisms and their environment. Various different species living in the same place, interacting amongst themselves and with their environment together form an ecosystem.Within an ecosystem there are several food webs. A food web is an overview of which species in an environment consume which species (plant, animal or both).A healthy ecosystem has a variety of organisms that play different roles in various food chains. If the ecosystem loses one of its members, it can be crippled.cology is the study of the interactions between organisms and their environment. Various different species living in the same place, interacting amongst themselves and with their environment together form an ecosystem.