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structure of a fish's jaw can reveal its feeding habits. Fishes can be divided into three feeding groups: top-, midwater- and bottom-feeders. Top-swimmers' jaws fish has a straight dorsal surface, and an upturned, scooplike jaw for gatheri...
vertebrate Peleontology. This is also an easily available work that goes to any depth on this intensely interesting subject. A large book of medium thickness with an average of about two drawings per page, including familial relationship di...
in Canada Summary of the Climate Change Problem in Canada The international scientific community agrees that there has been a significant change in global climate in recent years. Human activity - particularly burning fossil fuels for tran...
all dwelling organisms encompassing animal and vegetation species of the genes of all these organisms, and of the terrestrial, aquatic and marine ecosystems of which they are part. Biodiversity makes up the structure of the ecosystems and e...
of animals and plants. Thirteen separate mountain blocks comprise the Eastern Arc, supporting around 3300 km2 of sub-montane, montane and upper montane forest, less than 30% of the estimated original forested area. At least 96 vertebrate s...
it difficult to differentiate a frog from a toad. They normally mix them up. Although they seem so similar in appearance, they certainly have numerous dissimilarities too. Frogs are found in many different shapes, sizes, colors, and textur...
or plants that are soon to die out. This means that once they become extinct, they will never be seen on Earth again. Many animals and plants become endangered or extinct each year. Recently, however, the rate of them dying out increased dr...