Overall, the acanthodians ' jaws are presumed to have evolved from the first gill arch of some ancestral jawless fishes that had a gill skeleton made of pieces of jointed cartilage.

Overall, predation does not present a significant threat to the survival of any manatee species.

Overall the biodiversity of tetrapods has grown exponentially over time from a single amphibian group sometime in the Devonian to many thousands of species today.

Overall, many hundreds of thousands of birds are trapped and killed each year, a source of concern for some of the rarest species ( for example, only about 2, 000 Short-tailed Albatrosses are known to still exist ).

Overall, about 100 species are known to occur as autotrophs in lichens.

Overall the fantails are strong fliers, and some species can undertake long migrations, but the thicket-fantails ( Sooty Thicket-fantail, White-bellied Thicket-fantail and Black Thicket-fantail ) are very weak fliers, and need to alight regularly.

Overall, their appearance is somewhat similar to several other pelicans, though the species is allopatric.

Overall, the plains zebra population remains stable, and the species faces no major threat that would cause range-wide decline.

Overall, the European Starling is listed by the IUCN as being a species of least concern.

Overall, the species is not threatened, though illegal persecution by game fishing interests is a problem in some areas.

Overall the eleven species are mostly still common in suitable habitat, although the amount of suitable habitat has declined greatly with deforestation.

Overall the family has fared better than many others, with only seven species considered to be threatened with extinction.

Overall the family has white undersides and dark, speckled upperparts, with many species sporting a band across the chest.

Overall, the species is not threatened.

Overall, this species is blocky and broad in shape, often appearing ( and being ) heavier than other Buteos of similar length.

Overall, this species is a very flexible, opportunistic feeder that can easily adapt to varying habitat, season, insect community, vegetation structure, and time of day.

Overall, forty-four mammalian species have been identified in the park.

Overall, 7600 species of terrestrial plants use C < sub > 4 </ sub > carbon fixation, representing around 3 % of all species.

Overall, the three-dimensional polypeptide structure for all species is quite similar.

Overall, wet pine savannas have more species than pine savannas, and the distribution of each species within a savanna is intimately connected with soil moisture regimes.

Overall, a little known species, it was not researched in any detail until the 1980s, when the leather-trade had already taken its toll.

Overall, Lovejoy ’ s goal in establishing the project was to determine necessary reserve size and placement for successful habitat and species conservation, hence the original name of the project.

Overall, the Holocene extinction can be characterized by climate change and humanity's presence.

Overall, the majority of Californian Cabernets are meant to be approachable after only a couple of years in the bottle but can still have the potential to improve further over time.

Overall many farmers and agronomists agree finding a suitable rotation can benefit the overall productivity and sustainability of the farm.

Overall, though, the political sensibilities of the label can be said to be left-wing, feminist, and anti-war, and the label initially showed a commitment towards underground punk bands and to representing artists in the Olympia, Washington area.

Overall, an interplay of biological, social and environmental factors can be considered.

Overall brake squeal can be annoying to the vehicle passengers, passers-by, pedestrians, etc.

Overall, the use of limited animation does not necessarily imply lower quality as it allows the use of many timesaving techniques that can improve the quality and flow of the keyframes and overall presentation of an animation.

Overall, positive romantic relationships among adolescents can result in long-term benefits.

Overall length can range from Measurements are usually taken from specimens reared in captivity.

Overall, the results suggest that happiness can spread through a population like a virus.

Overall a match score of 79 – 63 in favour of Laver can be documented.

Here is a quoted text from PA web site: “ The Press Association supplies services to every national and regional daily newspaper, major broadcasters, online publishers and a wide range of commercial organisations .” Overall, in a system where all different media organizations gather their stories from the same source, then we can ’ t really call that system pluralist.

Overall, one former, senior BoE official summed up the Bank's pre-crisis performance well: " How can you look back with the benefit of hindsight and see it as a success?

Overall, Hohokam villages and smaller settlements can be classified within the rancheria-tradition ; these typically found near water and arable land, and identified by clusters of residential areas composed of discrete groups of habitation and utility structures combined with extramural use areas.

Overall, Manhattan can be divided into three geographic regions: " Uptown ", Midtown, and " Downtown ".

Overall, the person doing the marketing must look and sound like a peer of their target audience without any ulterior motive for endorsing the product — employees of the company cannot do undercover marketing, nor can celebrities ( except possibly to other celebrities ).

“ Overall, the Canadian National Exhibition can likely be cited as the greenest fair in North America, having re-cycled 77. 3 % of solid waste ( 1, 228, 120 kg or 558, 236 lbs was diverted ) during the 18 days of the 2009 fair .”

Overall, the robustness makes the MWW more widely applicable than the t test, and for large samples from the normal distribution, the efficiency loss compared to the t test is only 5 %, so one can recommend MWW as the default test for comparing interval or ordinal measurements with similar distributions.

Overall, they are snow white in color with black on the wing secondaries, which can appears almost like a black tail when the birds are standing, but the real tail feathers are actually white.

Overall, it can be said that Expo ' 93 was a great success, with some of the most memorable technological displays seen at any world's fair.

Overall, personas are a useful tool that can be used since designers in the design process can have an actual person to make design measure around other than referring to a set of data or a wide range of individuals.

Overall energy factors can be as low as 80 % for electric and 50 % for gas systems.