Aorta!
Hope this helps! :)
Basically:
Anaerobic: takes place in an environment without oxygen
Aerobic: takes place in an environment with oxygen
Hope this helps!
~Chrys
Explanation:
if anyone could complete this timeline in order, left to right, that'd be much appreciated :)
hope it is helpful to you
The correct answer is: Layer 1, layer 2, and layer 4 in all three regions.
The index fossils are fossils that are commonly used for identifying a geological period of time, and these fossils are also very wide spread, as well as having a rapid evolutionary trends.
By this picture, we can easily see that even though we have rock strata from different regions, the same layers contain the same fossil, and it is a fossil that also is rapidly evolving so has a minor change in each layer.
Because one has rule A so it wouldn't make Sense.