The land animals indicate that a rather wide range of ecologic niches existed over the basin before the lake came into being, around the lake during its presence, and again all over the basin after the lake disappeared.
This filling of ecologic niches voided by the dinosaurs coupled with the spreading of mammals into hitherto unoccupied niches resulted in the development of a large variety of mammals.
The difference between the modern and Eocene paddlefish are so slight that the two probably filled similar or the sameecologic niches.
However, with the extinction of the dinosaurs some 65 million years ago at the end of the Cretaceous, the mammals were able to diversify rapidly and fill the empty ecologic niches that the dinosaurs once occupied.
These other species thus enjoy an ecologic freedom and can expand their niches in the absence of related types of similar ecologic scope.
Sierra del Carmen, due to its insularity, is unbalanced and stated that "as a consequence of unbalance, species that are present show ecologic extension and unusual numerical relations.
At least in this type of environment, an extension or expansion of the ecologic habits of the related types takes place when some species are absent.
They appear to have developed along somewhat similar evolutionary lines with regard to structure, color and ecologic requirements.
Interspecific competition may prevent considerable intermingling of breeding populations in Micronesia, or it may be that each species requires different ecologic conditions.
Relative antiquity of the birds might be ascertained by measuring their ecologic adaptations.
The smaller the island, the fewer the number ofecologic niches and the fewer the kinds of birds present.
It feeds on the ground to a large extent, fitting into an ecologic niche which few other species of birds of the islands occupy.
Subsequent colonists might be eliminated by the competition brought about by these previously adapted organisms, especially if both organisms were adapted for life in the same ecologic niche.
Within these zones certainecologic communities can be recognized; these represent several biotic provinces.
The ecologic niche of the brush rabbit is in brush where the plants form continuous thickets with little open ground.
In the juniper belt the juniper tree is of marked ecologic significance; the distribution of Peromyscus truei and Neotoma fuscipes is determined here by the presence of junipers.
The primary objectives of my study were to determine the present mammalian fauna of the San Gabriel Mountains, to ascertain the geographic and ecologic range of each species, and to determine the systematic status of the mammals.
The economic and ecologic significance of insects in the diet of birds is often oversimplified.
Therefore, in its ecologic relationships with many other species, it is a density dependent predator.
A female insect eaten before oviposition has a greater ecologic significance than one eaten after she has laid her eggs and is ready to die.
The analysis below is concerned with breeding of many kinds of birds of an arbitrarily defined area and with the influence of certain ecologic and zoogeographic factors on the breeding seasons for those several species.
The above list will hopefully give you a few useful examples demonstrating the appropriate usage of "ecologic" in a variety of sentences. We hope that you will now be able to make sentences using this word.
