Answer:
B, A fossil found in rocks from one time period
Explanation:
Fossils are used to determine the ages of rock layers. Index fossils are the most useful for this. Index fossils are of organisms that lived over a wide area. They lived for a fairly short period of time. An index fossil allows a scientist to determine the age of the rock it is in. Hope that this helps you :)
Answer:
epithelial tissue, connective tissue, muscle tissue, and nervous tissue.
Explanation:
i looked it up
Big brain
The fluid in which organelles of the cell reside. This water can be used to assist in chemical reactions within the cell.
This is a biology worksheet all about it hope this helps
Mushrooms and shelf fungi are classified as cup fungi.
