There are many theories to this, but i will give you the two most common ones, 1. There was some sort of interaction between the earth and the sun that caused one celled organisms to arise 2. That one-celled organisms formed in oxygen bubbles inside ice, and when the ice thawed they were able to flourish. if you are asking this for school or any reason that will have an impact on your life, double check because i could always be wrong
Organisms that drift with the ocean's currents include plankton, jellyfish, and larvae of marine organisms. These organisms rely on ocean currents for transportation, dispersal, and feeding opportunities as they move through the water column.
almost 90% of organisms in the ocean live in the uppermost zone
Organisms in the ocean with the smallest total biomass are most likely the what?
There are certain organisms which have adapted to the ocean floor environment. Together, these organisms make up an ecosystem.
bacteria
On the ocean floor
Plankton
Plankton
Plankton are the organisms that form the base of most open-ocean food webs.
The Behavior of Organisms was created in 1938.
open-ocean surface zone
Marine is another word for ocean or sea - marine organisms live in the ocean.