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The geological time scale divided up and organized according to what life forms existed on earth?
The geological time scale, divided into eons, eras, periods, epochs, and ages, is organized based on key events in Earth's history, such as mass extinctions and the appearance of significant life forms. Each division represents a period when particular types of plants and animals dominated the planet, leading to the classification of geological time periods based on the fossil record and evolutionary history of life on Earth.
What is a measurements of earth's history divided into time periods?
fossil record geologic time scale
The time in which life first evolved on Earth was the?
eff the time in wich life first evolved on earth!!
How does the existence of humans on earth compare with the duration of geological time?
Here's an example to demonstrate the length of time that human beings have existed when compared to the time from Earth's formation:Observe the length of your arm from your shoulder to your fingertips. This will represent geologic time; the time from the formation of the Earth. Run a fingernail file across the end of the fingernail of your longest finger. You have just erased the period of time in which Homo sapiens has existed.
What sea surrounded Pangaea?
The Panthalassa Ocean surrounded Pangaea. It was the superocean that existed during the time of the supercontinent Pangaea, covering much of the Earth's surface.
What percentage of time has life existed since Earth formed?
it has been for 90%
For what fraction of geologic time life has existed on earth for what fraction of geologic time have human existed on the earth?
Approx 1/22500 of it.
What percentage of time have hominids existed?
Hominids have existed for approximately 2-3% of the total time that life has been present on Earth, which is estimated to be around 3.5 billion years. This means that hominids have been around for roughly 6-7 million years.
Dietary needs human companionship requirements compatibility with children lifespan length of time species has existed on earth?
Length of time species has existed on earth
Which of the eight planets have life?
Only Earth is known to harbor life. It has been theorized that life may have existed at one time on Venus and Mars, and there is hope for finding life on several of Jupiter's and Saturn's moons.
The geological time scale divided up and organized according to what life forms existed on earth?
The geological time scale, divided into eons, eras, periods, epochs, and ages, is organized based on key events in Earth's history, such as mass extinctions and the appearance of significant life forms. Each division represents a period when particular types of plants and animals dominated the planet, leading to the classification of geological time periods based on the fossil record and evolutionary history of life on Earth.
How does the water molecule existed on the Earth?
Water molecules have existed on Earth since its formation billions of years ago. They were likely brought to the planet by icy asteroids and comets during its early stages. Water is essential for life as we know it and has played a crucial role in shaping Earth's geology and climate over time.
What are the remains of species that existed on Earth for a short period of time?
index fossils
What was the only ocean that existed on earth millions of years ago?
first of all the earth has only existed for a couple thousand years and God created the oceans at one time there wasn't only one.
How many years is the concept of geologic time?
The Earth has existed in roughly its present form for about 4.5x109 years.
Precambrain Era What kind of life existed during this period?
During the Precambrian Era, life forms were predominantly single-celled organisms such as bacteria and algae. These organisms were simple and lacked the complex structures seen in later eras. It was a time of significant evolution and diversification of life on Earth.
. According to the theory of most of Earth's current species developed from distinctly different species which existed earlier in time.?
The theory you're referring to is evolution, which suggests that species can change over time through a process of natural selection and genetic variation. This means that the diversity of life we see today could have descended from common ancestors that existed in the past.
