Answer:
Every fossil tells us something about the age of the rock it's found in, and index fossils are the ones that tell us the most. Index fossils (also called key fossils or type fossils) are those that are used to define periods of geologic time
Explanation:
its like the human body rectum its there but serves no purpose but when we evolved we eveolved to eat different foods and different foods mean different digestion
Does it say what is dominate and what is recessive or hetero or home it would make it 10x easier for me to help
Molecular biologists are interested in things like the level of gene expression (how much protein or RNA is present at any given time), which molecules are directly touching each other inside the cell, etc. ... Cell biology techniques, on the other hand, want to know what's going on inside intact cells.
( Try to see which one sounds best after reading this)
Uh the answer is eating food.
