Sentences with phrase «same ecological roles»
That's especially mysterious because Enantiornithines were exceptionally abundant (they apparently outnumbered the ancestors of modern birds before the asteroid struck) and had presumably played the same ecological roles as the ancestors of modern birds, which survived the mass extinctions.
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«We need to know what insects eat when doing ecosystem restoration, and we shouldn't assume that species with generalist feeding habits will necessarily fill the same ecological roles as more specialized species.»
Although different species came and went, the same ecological roles were filled over the 1.5 million year span of the Dinosaur Park Formation.
The idea is that the new grizzly bears would fill the same ecological role as their vanished relatives, as omnivores that spread seeds, break up soil and keep prey populations in check.
Not exact matches
«It's easy to sympathize with the prey,» Laidre says, «but at the same time, there's a lot of ecological roles that that sort of action has.»
Queen and worker ants develop from the same sets of genes, but perform completely different ecological roles.