Invertebrates Sentence Examples
Many examples might be cited among invertebrates also.
Fossils of both vertebrates and invertebrates are also common in the Permian and Jurassic formations.
His speculations on phylogeny, or the descent of invertebrates and vertebrates, were, however, most fantastic and bore no relation to palaeontological evidence.
As regards invertebrates, very few species or genera are peculiar to Liberia so far as is yet known, though there are probably one or two butterflies of local range.
Invertebrates such as the northern brown Argus are also at risk from heavy grazing.Advertisement
Forbes drew attention to a certain community amongst birds and other vertebrates, invertebrates, and amongst plants, on all the lands stretching towards the south pole.
Beecher (1856-1905) has pointed out (1898), many animals possessing hard parts tend toward the close of their racial history to produce a superfluity of dead matter, which accumulates in the form of spines among invertebrates, and of horns among the land vertebrates, reaching a maximum when the animals are really on the down-grade of development.
Very constantly a pair of simple sacklike glands open into the stomach, and probably represent the hepato-pancreatic glands of other Invertebrates.
The fauna has been explored in great detail both as regards the vertebrates and the invertebrates, and specialists will find the necessary bibliographical indications in Travaux geographiques en Finlande, published for the London Geographical Congress of 1895.
Many insects and other invertebrates, mostly noxious, have been accidentally naturalized, and some have been deliberately introduced, like the honey-bee, now feral in Australasia and North America, and the humble-bee, imported into New Zealand to effect the fertilization of red clover.Advertisement
The word is frequently applied to the whole of the alimentary canal in invertebrates.
All we can say is, that in those remote times what is now England had no existence; its site was occupied by seas which were tenanted by marine invertebrates, long since extinct.
Many different kinds of weird and wonderful beetles and other invertebrates may live in the cracks in gnarled and fissured old bark.
Among other invertebrates, this habitat supports the rare lesser silver diving beetle.
They feed on insects, spiders and other small invertebrates including other centipedes.Advertisement
Front toes completely webbed; hallux very short or absent; feed chiefly on small aquatic invertebrates.
Here you find articles in the encyclopedia about invertebrates.
To this category will belong the oviducts in Teleostean fishes and probably the gonad ducts in several groups of invertebrates.
The larvae usually live in Molluscs, the mature worm in vertebrates, and the immature but metamorphosed Trematode in either host and also in pelagic and littoral marine and fresh-water invertebrates.
Birds and mammals take the first place; the leading collections devote a good deal of attention to reptiles and batrachians; fishes and aquatic invertebrata are most often to be found only when there are special aquaria, whilst non-aquatic invertebrates are seldom to be seen and at most consist of a few moths and butterflies, spiders, scorpions and centipedes, molluscs and crustaceans.Advertisement
On the whole, as in the case of vertebrate palaeontology, the pre-Darwinian period of invertebrate palaeontology was one of rather dry systematic description, in which, however, the applications of the science gradually extended to many regions of the world and to all divisions of the kingdom of invertebrates.
Thus the recapitulation law, which had been built up independently from the observations and speculations on vertebrates by Lorenz Ofen (1779-1851), Johann Friedrich Meckel (1781-1833), St Hilaire, Karl Ernst von Baer (1;92-1876) and others, and had been applied (1842-1843) by Karl Vogt (1817-1895) and Agassiz, in their respective fields of observation, to comparison of individual stages with the adults of the same group in preceding geological periods, furnished the key to the determination of the ancestry of the invertebrates generally.
He was the first to attempt a comprehensive treatment of all invertebrates from the genetic point of view; but unfortunately his great work, entitled Die Stcimme des Thierreichs (Vienna and Prague, 1889), was uncompleted.
The polyphyletic law was early demonstrated among invertebrates by Neumayr (1889) when he showed that the ammonite genus Phylloceras follows not one but five distinct lines of evolution of unequal duration.
Because of the repetition of analogous physiographic and climatic conditions in regions widely separated both in time and in space, we discover that continental and local adaptive radiations result in the creation of analogous groups of radii among all the vertebrates and invertebrates.Advertisement
It is certainly a very striking fact that wherever we have been able to trace genetic series, either of invertebrates or vertebrates, in closely sequent geological horizons, or life zones, we find strong proof of evolution through extremely gradual mutation simultaneously affecting many parts of each organism, as set forth above.
It is characteristic of the group that the mouth should be the only means of ingress to and egress from the digestive sac and that no true perivisceral space or coelom exists in the sense in which these terms are used in higher Invertebrates.
Smith on the Invertebrates of Vineyard Sound should be consulted (1874).
We specialize in marine fish, corals & invertebrates ideal for reef aquarium set ups.
It was raining this morning, we all had a great time exploring the foreshore for invertebrates and fish tho.
Oakwoods and their associated open areas provide a rich and diverse habitat for a variety of invertebrates, including the Pearl-bordered fritillary Boloria euphrosyne.
European barn owls, in contrast, eat very few invertebrates.
We will also collect terrestrial invertebrates by hand ashore.
The loss is not only botanical but includes invertebrates and other animals which rely on the habitat.
The fish utilize food sources naturally present in the waters, including freshwater shrimp, benthic invertebrates, snails and insects.
Phellinus tremulae is the most serious pathogen of Aspen and may help create the ideal habitat for a range of saproxylic invertebrates.
This section supports species rich plant communities, rare and scarce aquatic invertebrates and a range of fish species.
They are third-level consumers, feeding on soil invertebrates they're size or larger.
With Mike I worked on growth and trophic ecology of NZ stream invertebrates.
In contrast, the metallothionein gene in invertebrates, especially marine ones, has not been studied thoroughly.
The Museum's enormous collections are ranked 4th in America in size, and include protists, plants, invertebrates and vertebrates.
All types of marine life have been seen here - small hammerheads and reef sharks, turtles, giant puffers, numerous small invertebrates.
Finally, the Wytham Margins experiment, established in 1987, investigated the invertebrates of long-term marginal set-aside.
Corbally also provides valuable habitat for wetland birds and invertebrates including a number of notable water beetles.
Unlike hot summer wildfires the lichen and reptile interest is unharmed and the impact on invertebrates is minimal and short term.
In general we find an analogy between the development of groups and of organs; we discover that each phyletic branch of certain organisms traverses a geologic career comparable to the life of an individual, that we may often distinguish, especially among invertebrates, a phase of youth, a phase of maturity, a phase of senility or degeneration foreshadowing the extinction of a type.
The young are fed on invertebrates, particularly caterpillars, larvae and pupae of flies and beetles.
Mudflats have an abundance of invertebrates such as ragworm and mud snails and the channels contain fish such as bass, flounders and gobies.
Nociceptive nerves, which preferentially detect injury-causing stimuli, have been identified in a variety of animals, including invertebrates.
Mangrove wetlands provide a rich habitat for over 2,000 species of fish, shellfish, invertebrates and plants.
Arthropods are invertebrates belonging to the phylum Arthropoda, the jointed-leg, spineless creatures of the world.
The Aquarium is home to more than 35,000 animals and plants representing over 550 species of invertebrates, reptiles, birds, and plants found in California's central coast and other marine habitats around the world.
Do you need to record the freshwater invertebrates in the river?
The members of this group are always carnivorous or parasitic, and prey upon both vertebrates and invertebrates.
The most striking feature of exploration for invertebrates, next to the world-wide extent to which exploration has been carried on and results applied, is the early appearance of life.
Among invertebrates Barrande's doctrine of centres of origin was applied by Hyatt to the genesis of the Arietidae (1889); after studying thousands of individuals from the principal deposits of Europe he decided that the cradles of the various branches of this family were the basins of the CSte d'Or and southern Germany.
Independent evolution of parts is well shown among invertebrates, where the shell of an ammonite, for example, may change markedly in form without a corresponding change in suture, or vice versa.
Similar anticipations and verifications among the invertebrates have been made by Hyatt, Beecher, Jackson and others.
Among invertebrates similar analogous groups also develop. This is especially marked in retrogressive, though also wellknown in progressive series.