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During which period did eurypterids swim the oceans and the first jawed fish and vascular plants evolve?
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∙ 7y ago
Silurian period
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Have oceans risen or fallen during the past 100 years?
Fallen 6 inches.
What other flora and fauna live during the time a helicoprion lived?
all of the oceans
Do other oceans have oceans?
No, there are 7 oceans and seas.
The equator passes over three large oceans?
Atlantic oceans, pacific oceans and indians oceans.
What are the two oceans surrounding Mexico?
The Atlantic and the Pacific oceans.
What is an extinct group of marine arthropods?
Trilobites, and eurypterids (giant marine scorpions). Ammonites are not arthropods but molluscs.
Where are vascular plants found?
In aquatic environments (oceans, lakes, rivers), algae are dominant over vascular plants; but vascular plants do exist in those places. There are also places on land where nonvascular plants -- mosses, liverworts, and hornworts -- are dominant over vascular plants: they tend to be very, very moist and/or lack enough soil for anything larger to get a foothold.
What are rocks from outer space that bombarded the earth during formation of oceans?
Comets are the rocks that hit the earth during formation of oceans...
Where did life evolve on Earth?
It evolved in the oceans....there probably is a specific ocean or part of an ocean but that would be impossible to locate.
Water falls to the land and oceans during?
Precipitation
What oceans did the US gain during the Spanish American War?
The oceans of Planet Earth are not controlled by any single nation.
What happend to the oceans during the ice Age?
they formed new ones
If the earth did not have oceans how might this affect the global biosphere?
oceans have a cooling and stabilizing effect so that the temperature of the earth can be kept under control. If Oceans are gone, the earth will experience a great difference between day and night. So hot during day, and so freezing during night.
During which season does primary productivity reach its peak in polar oceans?
Summer
How are the area and the oceans affected during ice age?
i don't have any idea
How are the Earth's Deserts and the Earth's Oceans and Seas truly intimately related?
well the oceans used to cover the deserts during pangea so they are remotely related
Have oceans risen or fallen during the past 100 years?
Fallen 6 inches.
