C preserved bone because none of the others were enough
The communities plus abiotic and biotic surroundings is called an ecosystem
60 centimeters (2 ft 0 in) to over 260 cm( 8 ft 6 in)
Because the different environments permit some organisms to thrive, while others cannot. ... Similarly, a fish (extremely suited to its aquatic environment) can't survive out of water. A characteristic which allows growth in one environment will not necessarily allow growth in another.
