Aquatic environments, mainly the sea.
4.6 billion years ago
The study pushes back the clock on the origin of Earth's water by hundreds of millions of years, to around 4.6 billion years ago, when all the worlds of the inner solar system were still forming. Scientists had suspected that our planet formed dry, with high-energy impacts creating a molten surface on the infant Earth.
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Not sure but hope you find it!!!
Eye spot allows to some protists to detect light. eye spot receiving light stimuli. eyespot which is a light sensitive organelle, which helps the chlamydomonas to swim toward the light. eyespot is also called the stigma. the eyespot is similar to an eye of human. it helps organisms pick up light waves to help the organisms live and function.
