Which of the following is an essential characteristic of an index fossil?
A) The organism lived in a very specific environment or two, such as tropical volcanic islands.
B) The organism lived for a very limited period of geologic time.
C) The fossils of the organism are exceptionally well preserved.
D) The organism lived on the land, not in the ocean.
Question 2
Using the known rates of radioactive decay to date the crystallization of certain minerals is known as ________ dating.
A) conventional
B) radiometric
C) relative
D) fossil assemblage
Dinoflagellates of the supergroup Alveolata and their characteristic alveoli.
Model Organism Neurospora
Eryma mandelslohi, a fossil decapod from the Jurassic of Bissingen an der Teck, Germany
Hydration is essential to body function, especially engaged in strenuous activities
Each experimental organism used in cell biology has advantages for certain types
Ten Foundational Essential Oils Cont.