Sentences with phrase «multicellular creatures»

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).

Although the oldest animal fossils date back 544 million years, most evolutionists agree that complex, multicellular creatures probably appeared at least 150 million years earlier than that.

From the single cell, to a simple multicellular creature, and then through stages corresponding to a fish, a lizard, a mouse, a monkey and then a human.

Cassandra Extavour: As a developmental biologist — a devo, if you will — I am intrigued by how cells become eggs and sperm in multicellular creatures.

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.

Although life seems to have only taken 500 million years to arise on Earth, the move from simple bacteria to complex multicellular creatures took another 2.5 billion years, and technological intelligence has appeared on this planet only once.

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.

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.

He calls the findings «eye opening» and expects they will encourage other researchers to start looking for multicellular creatures far beneath Earth's surface.

Whenever you see something interesting, like the evolution of multicellular creatures or human language, cooperation is involved.»

«It is likely that life on exoplanets evolves through single - celled stages prior to multicellular creatures.

I grant, though, that biologists must be fascinated by the evolution of multicellularity, because we are multicellular creatures.

Bühler who also has a Masters in Medical Science from University Zürich was always fascinated by the evolution of life: the journey from magma to single - celled organisms — to multicellular creatures — to fish — to mammals — to Homo sapiens over billions of years; as well as the development from egg and sperm — to blastula — to fetus — to a wholly differentiated living being.