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How do we know that organisms that lived millions of years ago are related to the organisms of today?
Scientists use various methods to study the similarities and differences in the physical characteristics, genetic makeup, and evolutionary history of organisms that lived millions of years ago and those living today. By comparing fossils, DNA sequences, and other evidence, researchers can trace the evolutionary relationships between different species and determine how they are related to each other over time. This helps us understand the connections between ancient and modern organisms and how they have evolved and changed over millions of years.
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What substance formed from tiny organisms in the sea millions of years ago is?
Petroleum is a substance formed from the remains of tiny marine organisms that lived millions of years ago. The organisms died and were buried under layers of sediment, where high pressure and heat transformed them into the fossil fuel we use today.
The theory that different organisms have ancestors that are related is what theory?
The theory that different organisms have ancestors that are related is called the theory of evolution. This theory explains how organisms have changed over time through the process of natural selection, leading to the diversity of life we see today.
According to the theory of today and acirc and 128 and 153s organisms evolved from past organisms.?
That's correct! The theory of evolution states that organisms have evolved over time from common ancestors through the process of natural selection. This gradual change in species over generations is driven by factors such as genetic variation and environmental pressures.
What exactly is evolution?
Evolution is the process by which species of organisms change over time through the processes of natural selection, mutation, genetic drift, and gene flow. It explains how life on Earth has diversified and adapted to different environments over millions of years.
What were organisms that lived doing Precambrian time?
Animals that lived during the Precambrian times were single celled animals such as stromatolites,(blue-green algae).The earliest forms of invertebrae animals were also in the Late Precambrian.
What substance formed from tiny organisms in the sea millions of years ago is?
Petroleum is a substance formed from the remains of tiny marine organisms that lived millions of years ago. The organisms died and were buried under layers of sediment, where high pressure and heat transformed them into the fossil fuel we use today.
How do scientists know that organisms that lived millions of years ago are related to organisms of today?
They can track how long that fossil has been around by using carbon dtaing. They can also use an index fossil that is in the same rock layer. When they get the date of the fossil they can figure out what it might look like and how it ate or how it moved
What animal that lives today lived millions of years ago?
crocodiles,turtles and most lizards
The theory that different organisms have ancestors that are related is what theory?
The theory that different organisms have ancestors that are related is called the theory of evolution. This theory explains how organisms have changed over time through the process of natural selection, leading to the diversity of life we see today.
How long did it take for the animals and plants to turn into fossil fuels?
Like any other plant today but the animals may be slightly different
What has happened to the majority of species whose fossils are found in rock?
The majority of species whose fossils are found in rocks are extinct. These species lived in the past but no longer exist today. Fossilization occurs when the remains of organisms are preserved in sedimentary rock over millions of years.
What item of daily consumption today is composed of the remains of animals which lived in the seas millions of years ago?
The oil we use for petroleum products
What evidence shows that organisms living millions or years ago were different from ones living today?
Yes, if it is not then technically it's not a fossil.
Why did the dinosaurs look weird?
Dinosaurs looked very different from the animals we see today. They evolved to thrive in the conditions they lived in, and did very well for millions of years.
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If a single cell is living on its own it is called?
If a single cell is living on its own it is called a single-celled organism. There are millions of single-celled organisms alive today.
Is megaladon real?
No, Metalworking is fake. There are no such things as mega sharks!
