Sentences with phrase «occupy ecological niches»
«Even so, it took almost two million years before the deep sea food supply was fully restored as new species evolved to occupy ecological niches vacated by extinct forms.»
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Marsupials have evolved in Australia several forms which occupy ecological niches held on other continents by placental mammals — wolf - like, squirrel - like, mole - like, woodchuck - like, etc..
Like many species that flourished after the dinosaurs, these frogs may have opportunistically occupied ecological niches suddenly left vacant.
Hare thinks bonobos became domesticated by occupying an ecological niche that favored selection for less aggressive tendencies.
Not exact matches
«In a country like India, with a high population density and a high level of poverty, virtually every ecological niche is occupied by some occupational or cultural human group for its sustenance.
Second, going around the coast of South America, Darwin observed that the same ecological niche was occupied by similar but clearly different species.
What seems to have happened in evolution is that every conceivable ecological niche gets occupied.
It was a kind of ecological niche that no one wanted to occupy, and so it's easy for anything to crawl in there.»
The fanged frogs are special, McGuire says, because they appear to represent a virtually unexplored adaptive radiation with many species occurring at the same sites but adapted to occupy distinct ecological niches.
«These rainforest giants tower above the other trees and therefore occupy an important ecological niche,» says Chris Kettle, a scientist at ETH Zurich's Institute of Terrestrial Ecosystems, who led the study.
For this general overview, large collections of SAGs will be analysed at the 18S rDNA level to obtain a biodiversity inventory, and to identify a set of related uncultured lineages potentially occupying a similar ecological niche (i.e. bacterivory) as ascertained by their phylogenetic placement.
They fill the ecological niches occupied in other places by rodents and rabbits — some live in the desert, others in the rainforest, some are herbivorous, while others dine mostly on insects.
They have the same chromosome number and genome sizes, and they occupy the same ecological niche.
The evolutionary history of the diapsid lineage is quite complex; diapsids evolved into many shapes, occupying many different ecological niches since they first came onto the scene in the late Carboniferous Period (roughly 350 million years ago), when they were represented by the earliest diapsid, the tiny lizardlike Petrolacosaurus.
However, this ecological niche of the North Polar Ocean is already occupied by organisms.