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Why do scientists think the first living cells to appear on earth were probably anaerobic heterotraphs?
Scientists believe that the first living cells on Earth were likely anaerobic heterotrophs because early Earth lacked oxygen, and these organisms do not require oxygen for their metabolism. Anaerobic heterotrophs can obtain the carbon compounds they need for energy from organic molecules in their environment, making them well-suited for the conditions of early Earth.
How did life appear on Earth?
Life on Earth is believed to have originated around 3.5 billion years ago through a process called abiogenesis, where simple organic molecules combined to form more complex molecules that eventually led to the first living organisms. This process likely occurred in the Earth's early oceans, where conditions were suitable for the formation of life.
What was the first skin color present on Earth?
The first skin color present on Earth was likely dark brown or black, as these colors provide better protection against the sun's harmful rays.
What was the first plant to grow on the world?
The first plants on Earth were likely algae and mosses, which began to appear around 700 million years ago. These early plants played a crucial role in shaping the Earth's atmosphere and paving the way for the evolution of more complex plant species.
How did life first appear on Earth?
Life first appeared on Earth around 3.5 billion years ago through a process called abiogenesis, where simple organic molecules combined to form more complex molecules that eventually led to the development of living organisms.
Where did Arthropods first appear on earth?
yes
What was the first species to appear on earth?
The first species to appear on Earth were likely single-celled microorganisms such as bacteria and archaea, which emerged around 3.5 billion years ago. These simple life forms were the earliest pioneers on our planet, laying the foundation for the complex biodiversity we see today.
When did the first ladybug appear on earth?
Chick or the egg!
What were the first orgisms to appear on earth?
In someones pants??
What were the first creatures to appear on earth?
well the first thing was algae...and formed from there on
What organisms are thought to have been the first to appear on earth?
bacteria
What were likely the first organisms on earth?
Bacteria.
Why is water necessary for plants to survive?
Plants, as with all lifeforms, require water, because water is where all the atomic particles that formed the first lifeforms bonded.
When did first organism appear on earth?
Read your science book chapter . It is on the first page.
When did the first creatures with bones appear on earth?
the animals come on earth because god put them there
When did fish first appear on earth?
About 475 million years ago
When did woolly mammoth first appear on earth?
about 236,00 years ago.
