Answer:
The earliest known life-forms are putative fossilized microorganisms, found in hydrothermal vent precipitates, that may have lived as early as 4.28 Gya (billion years ago), relatively soon after the oceans formed 4.41 Gya, and not long after the formation of the Earth 4.54 Gya.
Explanation:
Answer:
Option-C
Explanation:
Traditional ecological knowledge is the knowledge acquired and adapted by the local or native people living in a particular area.
The traditional knowledge is gained by the holistic approach of gaining the knowledge that is which benefits survival and increases the chances of well being.
The approach aims at learning by making direct contact with the surrounding environment, learning its ways, understanding the relationship between the various factors and then adapting to the condition and utilizing the available information.
The traditional way aims at looking at the environment in whole but the modern way of understanding the environment aim by learning the environment in the components.
The traditional knowledge is always shared by the local people in their local language but since the ideology of gaining the knowledge differ in both the ways and TEK is shared in local language therefore sometimes the knowledge does not prove useful in the contemporary world.
Thus, Option-C is correct.
The population of blue crabs will be difficult for the scientists to count because of unreliable ways and natural phenomenon or occurrence that causes the water's temperature to rise. According to climate reports, year 1999 have warmer temperature and this probably caused the blue crabs to be active, but on year 1990 female blue crabs sustained a normal quantity of production of their species. Thus, the estimated count of population of blue crabs is probably more accurate in year 1990 than year 1999 because of the stable production of the female crabs.
It is important because they are used to produce sugar during the dark reaction