All 4 Uses

species
in
Saving the World and Other Extreme Sports
(Auto-generated)

Here's the abbreviated version (which is pretty good, I might add): A bunch of mad scientists (mad crazy, not mad angry-though a lot of them do seem to have anger-management issues, especially around me) have been playing around with recombinant life-forms, where they graft different species' DNA together.†
Part 1

species = a similar group of animals or plants
Some were "enhanced" but not combined with another species.†
Part 2 *
Landfills and oil slicks and endangered species and wiping out forests and driving gas hogs and not caring about the environment and not caring about animals!†
Part 3
Like graft other species' DNA into innocent infants.†
Part 3

Definitions:

(1) (species)
a group of animals or plants that are similar -- typically identified as belonging to the same group when they are of a kind that can reproduce new members of the group together
(2) (meaning too rare to warrant focus)