Sentences with phrase «cell organisms billions»

But for the earliest single - cell organisms billions of years ago, free oxygen was a toxin.

Not exact matches

To the contrary, it is more fantastic than we can imagine — hundreds of billions (trillions) of galaxies with hundreds of billions (trillions) of stars, nearly all of which have planets, some right for life; planets so hot that they rain glass; stars made of diamonds; the lineage of animals from singled celled organisms to the incredible variety that exists today with their unique adaptations.

The consensus on the evolution of primitive life is that simple life forms (prokaryotes, organisms whose cells lack a distinct nucleus) inhabited the Earth about 3 - 4 billion years ago, eukaryotic cells (those with a nucleus which contains the genetic material) emerging 2 - 3 billion years ago.

Bible — you were born in the image of God therefore you have capacity to think, create, reason, feel compassion, sense of morality etc. — vs — evolution where you can attribute all those fine attributes to a rock (single celled organism) billions of years ago.

This account of «life» as a characteristic of cells means that in the human organism there are billions of centers of life, not one.

Micro-evolution is very much real but macro evolution (aka single cell organisms through billions of years evolving into all the animals we see today is false).

After billions of years, during which life consisted almost entirely of single - celled organisms, animals evolved.

Since life first emerged more than 3 billion years ago, single - celled organisms have dominated the planet for most of its history.

Scientists think that mitochondria were once independent single - celled organisms until, more than a billion years ago, they were swallowed by larger cells.

It has had 2 billion years to evolve — a length of time that saw the emergence of humans from single - celled organisms.

Nerve signals control the communication between the billions of cells in an organism and enable them to work together in neural networks.

In March the Field Museum opened a controversial new exhibit called the Evolving Planet, which takes visitors on a 4 - billion - year journey that shows life on Earth developing from single - celled organisms to dinosaurs and finally to humans.

Science tells us that Earth's first single - celled organisms emerged about 3.5 billion years ago and only gradually evolved into many different species, he explained.

Contained within all eukaryotic cells, mitochondria possess their own DNA due to their evolutionary history as an «enslaved» bacterium swallowed up billions of years ago by a primitive eukaryotic organism.

The 2.52 billion - year - old sulfur - oxidizing bacteria are described by Czaja as exceptionally large, spherical - shaped, smooth - walled microscopic structures much larger than most modern bacteria, but similar to some modern single - celled organisms that live in deepwater sulfur - rich ocean settings today, where even now there are almost no traces of oxygen.

These organelles originated more than a billion years ago as single - celled organisms that were swallowed by larger cells.

Water that is 1.5 to 2.6 billion years old is a time capsule from the Precambrian — a period when life was dominated by single - celled organisms.

For 3 billion years, life on Earth was only home to water - dwelling, single - celled organisms like bacteria.

One cell quickly becomes a colony of a billion, and a completely unique living organism is alive.

Three capsules per day provide a 15 billion live cell count ** of 13 species of beneficial cultures including soil - based probiotics called Homeostatic Soil Organisms (HSOs).

«Days» are millions or billions of years, and as the creatures of the planet enter the telling, they progress in a time - lapse sequence of evolution from one - celled organisms in the water to mammals crawling on dry land.

Water is the most important natural resource and the «mother» of the cells of all living organisms that emerged 3.8 billion years ago.