Please help me with these evolutionary bio questions. Thankyou. Which statement
ID: 114512 • Letter: P
Question
Please help me with these evolutionary bio questions. Thankyou.
Which statement best describes how our views on extinction have changed over the past several hundred years? Our views have changed from denying that extinction ever took place to realizing that extinction occurs and Earth has experienced several mass extinction events. Our views have changed from believing that extinctions never occurred to understanding that extinction does occur, but it is rare. Our views have changed from believing that extinction never takes place to realizing that it only occurs sporadically, as evidenced by the mass extinction events in geologic history. Our views have changed from believing that extinction never takes place to realizing extinction occurs at a constant rate across all taxa.Explanation / Answer
A) Our view have changed from denying that extinction ever took place to realizing that extinction occurs and Earth has experienced several mass extinction events.
B) Oldest fossil: PCO3
Youngest fossil: B8B
Oldest is deepest and youngest is closest to the ground.
C) less than 10 million years old
The F layers has intrusion in H so is should be later than H
D) You can find the relative ages for index fossils without considering the stratigraphy of the rocks.