Three Reasons: 1) The organism lived/lives for a large period of time (species was/is in existence for a long time) 2) The organism lived/lives over a vast geographical range (species lived/lives in more than just a few specific areas) 3) The organism has/had hard parts (ex: bones)
it must have lived through a long span of time
a blank is the cavity left behind in the rock after an organism hard part has dissolved
fossil
The longest lived organism alive today is a Bristlecone Pine tree called "Methuselah" in Inyo National Forest in California. It is believed to be about 4,841 years old.
yes
Fossil
A fossil is a trace of an organism that lived long ago.
Three Reasons: 1) The organism lived/lives for a large period of time (species was/is in existence for a long time) 2) The organism lived/lives over a vast geographical range (species lived/lives in more than just a few specific areas) 3) The organism has/had hard parts (ex: bones)
it must have lived through a long span of time
Teeth
The oldest fossil organism found lived approximately 3.5 billion years ago. The fossil is that of a single-celled organism called Archaea.
water
fossil.
a blank is the cavity left behind in the rock after an organism hard part has dissolved
the organism cannot be fully developed and lived in a cage.
the bacteria of bacteria have lived on eath