The early development of
the multicellular eukaryotic organisms is disputed due to the scarcity of fossils older than 1 billion years.
«It's by far the most high - fidelity
multicellular eukaryotic genome to date,» says Jeffrey Dangl, a molecular geneticist at the University of North Carolina, Chapel Hill.
Large
multicellular eukaryotic organisms became common much later, about 600 million years ago, near the transition to the Phanerozoic Era, the «time of visible life.»
Not exact matches
As natural selection kicked in, these bacteria graudally evolved into
eukaryotic cells, then small colonies, then
multicellular organsims, then pre-Cambrian biota, then crusaceans, jellyfish and, later, fish.
It allows
eukaryotic cells to evolve into
multicellular organisms that have remarkable structural and functional variation.
All
eukaryotic cells — the kind that make up all
multicellular life — owe their existence to the two creatures that underwent this fateful merger.