Place the following organisms in the order from which they evolved first: Yeast, whale, fern, frog, E.coli, turtle, amoeba Homo sapiens, salmon, dragonfly, robin
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To determine the order in which organisms evolved, we need to consider the evolutionary history and the geological time scale. Here is the approximate order in which the organisms you provided evolved, from earliest to most recent:
1. Amoeba: Amoebas, which are single-celled organisms, appeared very early in the history of life on Earth. They belong to a group of organisms called protists.
2. E.coli: Escherichia coli (E. coli) is a type of bacteria that evolved after the appearance of amoebas. Bacteria are prokaryotic organisms and have a long evolutionary history.
3. Fern: Ferns are plants that reproduce via spores. They appeared after bacteria and amoebas and represent a significant stage in plant evolution.
4. Yeast: Yeast is a group of single-celled fungi. While fungi are relatively simple organisms, they evolved after bacteria and plants.
5. Dragonfly: Dragonflies belong to the group of insects, which first appeared during the Carboniferous period, around 325 million years ago. They evolved after fungi.
6. Robin: Robins are birds that belong to the group called passerines. Birds evolved from reptilian ancestors and appeared after insects.
7. Frog: Frogs, also known as anurans, are amphibians. Amphibians evolved after birds and represent a transition between aquatic and land-dwelling organisms.
8. Turtle: Turtles are reptiles that evolved after amphibians and have been around for millions of years.
9. Salmon: Salmon are a type of fish that evolved after turtles and are closely related to other ray-finned fish.
10. Whale: Whales are mammals that evolved from terrestrial ancestors. They appeared after fish and represent a major transition from land to sea.
11. Homo sapiens (humans): Humans belong to the group of mammals and are the most recently evolved organism on this list. Our species, Homo sapiens, appeared relatively recently, around 300,000 years ago.
It's important to note that the order provided is a simplified approximation based on the current understanding of evolutionary history. The exact timing and relationships between these organisms can be complex and subject to ongoing scientific research and discovery.