I'm pretty sure the answer is Trace fossils
Hope this helped
Answer:
Because it usually takes a long time, and is a very long process.
Explanation:
The cell membrane is semi-permeable, kind of like a filter to let some molecules in and keep larger molecules out
Answer:
pioneer species
Explanation:
Primary succession begins in barren areas, such as on bare rock exposed by a retreating glacier. The first inhabitants are lichens or plants—those that can survive in such an environment. Over hundreds of years these “pioneer species” convert the rock into soil that can support plants.
