I would say the answer is A I really hope this helps! :)
Answer:
his continental drift
Explanation:
Wegener used fossil evidence to support his continental drift hypothesis. The fossils of these organisms are found on lands that are now far apart. ... Wegener suggested that these creatures were alive in warm climate zones and that the fossils and coal later had drifted to new locations on the continents.
Answer: Organ systems:
they work together to carry out a particular function for the organism.
Explanation:
Answer:
I'm pretty sure it is B, because of natural selection
Catabolism (a form of metabolism in which cells are breaking down larger units into smaller units).
Another answer is cellular respiration