Answer:
I believe its primary succession
Explanation:
<span>The three sources of signals related to the regulation of cell growth and division are :
</span><span>a) Other Cells
b) Other Organs
c) Environmental Conditions</span>
The plant evolution has also led to changes in the sporophyte and gametophytes. The sporophytes have apparently beacome larger, and the gametophytes have become samller. Sporophyte like algae were previously single-celled and now evloved to multi-cellular structure. So, Your answer is B.
Although the answer to this question remains uncertain, one theory is that an ancient land bridge may have allowed fauna from what is now China to reach Java. The theory is that the present-day Philippine Islands once formed part of a land bridge between mainland China and present day Java. This allowed vertebrates from the Chinese mainland to colonise Java. Supposedly, this occurred around the Pleistocene.