What role might fluctuations i
What role might fluctuations inclimate have played in the appearance and evolution of the firsthominins? Climate change in the late Miocene resulted in theappearance of patchy forests and open grasslands and the kinds offoods that would be available in these settings vs. those availablein earlier tropical forest settings.
Answer:
Some climatic conditions may occur over a short time and theymay be cyclical.There may be changes in the amount oftemperature,light and preciptation.On a longer time scale homininshave experienced a large scale shift in the temperature andprecepitation which causes wide change in the vegetation.It changedfrom grassland and shrubland to woodland and forest and also fromcold to warm climate.
The environment of the hominins have also been altered byearthquake and uplift such as rise in the elevation of tibetanplateau.
Volcanic eruption,forest fire also have a altered theavailability of water,shelter and other resources.All these changesand shifts were not temporary but also the lasted for a largetimespan.These were not expected by the hominins raisinginstability and uncertainty in their living conditions.
Many organisms have preferences in their habitat,prefferedtemperature and prefered precipitation changes.When there is achange in the animals favored habitat ,they can move and tracktheir favored habitat or they become extinct.
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