Carbon dating live mollusk

Carbon dating live mollusk

But all the protozoa serve as food for more highly organised forms.In summer, when the water surface is quiet, one can see through the water vast thickets of bright- and dark-green fresh-water sponges of various shapes, each with a unique form.Lake Baikal is a surprising and unique natural laboratory where one can study the life in abyssal fresh waters.New varieties and species of organisms are continuously developing in the lake.The bacteria also provide food for some plankton, crustaceans, and other organisms.

All these worms are endemic; they solely inhabit the open parts of Baikal.Normally, they serve as food supply for other more highly organised animals.The scare-setaceous worms play a rather significant part in the lake's biological processes. Izosimov believes that the oligichets are the relict of the tertiary fauna that formed long ago and become endemic, while Baikal has given rise to a number of new species with their specific accommodative features enabling them to live in this great reservoir.Throughout its history both Baikal itself and the organisms inhabiting its world have undergone a complicated evolution.Because of this, the lake is inhabited both by very ancient varieties of organisms that originated in small lake pre-dating Baikal and younger ones that originated in Baikal itself.

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Besides the algae, about 20 species of flowering plants have been found here.

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