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How long have amphibians been on earth?
Tetrapods (early amphibians) emerged in the fossil record some time int he lower Carboniferous, around 360 million years ago. Reptiles emerged later in the carboniferous, 320-310 million years ago, and were probably the dominant terrestrial fauna by the start of the Permian, 299 million years ago. If any period in geological history could be described as the age of the amphibians, it would be the lowere-to-middle Carboniferous.
How long has a cockroach been around?
according to some writers, they've been here for about 400M years.
How long have turtles been on Earth?
How long have turtles been on the Earth? They have been around for 300 million years.
How many years have sharks been around?
Sharks have been around for about 409 million years but before they evolved they were around for 890 million years.Sharks have been around for about 409 million years but before they evolved they were around for 890 million years. TRUE!Over 400 million years!Shakrs have been alive for a very long time. They have swam the waters of earth since about 409 million years ago. This period of time was before our first dinosaurs came to be infact.
How many years have plants been around?
450 million years
How long has coal been around?
20 million years
How long have oysters been around?
180 million years
How long have parrots been around for?
70 million years
How long has fruit been around for?
60 million years.
How long have dinosaurs been around for?
From 225 to 65 million years ago 225 million - 65 million = 160 million BC So that means dinosaurs have been on the earth for 160 million years.
It has been around for a million years but is only a month old?
The answer to the riddle, "What has been around for a million years but is only a month old?" is "the moon." This is just one of many astronomy riddles.
How long has the clam been on the earth?
Clams have been around for about 500 million years.
