What term do scientists use to describe what happened at each of the marked points on the graph?
What term do scientists use to describe what happened at each of the marked points on the graph?
When the last individual of a species dies, that species is considered
In an undisturbed rock formation, the rocks on the bottom are the oldest.
What term do scientists use to describe what happened at each of the marked points on the graph?
Using complete sentences, describe the difference between relative and absolute dating. Use your age as an example for each.
| Draggable item | arrow_right_alt | Corresponding Item |
|---|---|---|
trace fossil | arrow_right_alt | minerals replace the original tissues or fill in the tiny spaces in and between the cells |
mineralization | arrow_right_alt | heat and pressure preserved the remains of an organism and only a thin layer of carbon is left |
original material | arrow_right_alt | made from an impression of an organism that has been filled with rock forming minerals |
molds and casts | arrow_right_alt | provides evidence of the activities of ancient organisms |
carbonization | arrow_right_alt | mummification or freezing |
Which of the following is NOT a fossil?
Change in a population over time is called _____.
Using a complete sentence, describe the relationship between fossil age and complexity and ancestry.