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Domain Bacteria contain the oldest known fossils of cells in bacterial cells.
It is so because, the oldest fossils are obtained from the life forms which used to exist at that time in the oldest ages. At that time there was no so much changes in the world, the life forms being simpler. As the age of the earth advanced hence the forms of life also adapted or tried to adapt to the changes of the surrounding. The climate changed and so did the life forms. It was determined that in the older times, 1st life forms came in the water bodies and then from there the land forms developed. So as we see the later life forms are more complicated, thus the oldest fossils are more simpler compared to their most recent counterparts.
Direct Ancestors of Cambrian life forms.
Earth is the planet with the most life forms.
True
Domain Bacteria contain the oldest known fossils of cells in bacterial cells.
Adam and Eve :)
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It is so because, the oldest fossils are obtained from the life forms which used to exist at that time in the oldest ages. At that time there was no so much changes in the world, the life forms being simpler. As the age of the earth advanced hence the forms of life also adapted or tried to adapt to the changes of the surrounding. The climate changed and so did the life forms. It was determined that in the older times, 1st life forms came in the water bodies and then from there the land forms developed. So as we see the later life forms are more complicated, thus the oldest fossils are more simpler compared to their most recent counterparts.
The five kingdoms of life are Monera, Fungi, Protista, Plantae, and Animalia.
Single celled organisms like a bacteria and are some of Earth's oldest life forms.
That depend on your religion. Some religions believe that people were. But if you go for evolution, then its single celled organisms.
The oldest organisms in the world are still alive today. Their domain is called archaea. Archaebacteria were the very first life forms on Earth. They are single-celled and their cells have no nuclei. They reproduce asexually. Hope this helped!
All plants contain carbon, plants and animals are carbon-based life forms which means that they need carbon to survive
Yes, the phylum porifera contain some of the oldest organisms because they are formed from fossilized, tiny sea organisms which were the precursors to modern life.
1. Contains some of the oldest forms of life on earth2. All are single celled organisms3. Can be found on or in the body4. Do not have a nucleus
I'm not sure of the names, but sea animals. Like the underwater creatures before there were any dinosaurs roaming on Earth.