| 21. | The Virgin Islands dwarf sphaero appears to favour mesic microhabitats within their dry ecological niche.
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| 22. | Species that mother their offspring have come to dominate every ecological niche in which they dwell.
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| 23. | So, it seems logical to refer to vacant niches . ( see also ecological niche .)
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| 24. | About the Signature Theater, he said, " Here's innovation, an ecological niche being discovered, almost invented.
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| 25. | The ecological niche once filled by high-level predators is now held mainly by boats from Ballard.
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| 26. | The bobcat prey base overlaps with that of other midsized predators of a similar ecological niche.
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| 27. | Rather, they were a sister group that remained in the ecological niche of their common ancestor.
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| 28. | Some of the earliest flying insects were large predators : it was a new ecological niche.
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| 29. | The reality is that, if a new species occupies a different ecological niche, both may coexist.
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| 30. | The teratorns held sway over the ecological niche of the extant group especially in North America.
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