<h2>tissue is a group of cell organized for a specific function tissue have following features like same shaped cell or different shapes cell to perform a common tissue</h2>
Answer:
It can be both but mainly Fresh water
I know that he found finches in different areas with different beak shapes....he found this was caused by the type of seeds that were available on the different islands...over time (evolution) their beaks changed to allow them to be able to survive (survival of the fittest)
