Clams have been around for about 500 million years.
how long has archaebacteria been on earth? how long has archaebacteria been on earth?
Since Pre-Columbian times, natives have been "clamming" the coastal waterways of Florida.
Yes, they serve clam chowder.
A clam might become a fossil if it gets trapped on a sedimentary rock and remains there for a long..long...time.
they have been on the earth for along time
I guess a very long time, a 405 year old clam found in Iceland, go to link: http://abcnews.go.com/technology and enter in "oldest clam" or "old clam" in the search field and the article will come up!!
"Clam" has a short vowel sound. The "a" in clam is pronounced as /æ/, making it a short vowel sound.
forever it was on earth when the earth was made
They have been on earth since 190 million years ago.
long time
for as long as it has had continents
A very long time.