“As the species of the same genus usually have, though by no means invariably, much similarity in habits and constitution, and always… — Charles Darwin Copy Share Image
“The rules that govern competition between species are (and must be) very different from the rules that govern competition within species.” — Daniel Quinn Copy Share Image
Ecology also teaches that all life on earth can be viewed as a competition among species for the solar energy captured by… — Michael Pollan Copy Share Image
