Whenever you see something interesting, like the evolution
of multicellular creatures or human language, cooperation is involved.»
At least at the level
of multicellular creatures — fungi, animals, plants, algae — scientists are pretty sure that DNA - based life forms did beat out their competition (just look around).
Not exact matches
The sea sponge may seem like an odd choice for genomic research considering that its simple body lacks muscles, organs, and nerve cells, but the
creature provides a wealth
of information on how
multicellular organism arose.
And many exchanges were heated because, despite 150 years
of research on the biology
of evolution, scientists still disagree about how and why
multicellular creatures and plants emerged from ancient oceans that teemed with robust and self - reliant single - celled entities.
I grant, though, that biologists must be fascinated by the evolution
of multicellularity, because we are
multicellular creatures.
The idea is that as they dug and wiggled, these early
multicellular creatures — some were likely worms as long as 40 cm — exposed new layers
of seafloor sediment to the ocean's water.
They're more closely related to the
multicellular world
of people, pandas and portobello mushrooms than to most other one - celled
creatures.
There may be some truth to both men's viewpoints: The first animals may well have looked more like a sac
of mesomycetozoeans than like any modern
multicellular creature.
Marine microbiologist Andreas Teske
of the University
of North Carolina, Chapel Hill, was not surprised that the first
multicellular subsurface organism was a nematode; the worms are among the hardiest
creatures on the planet.