Option C, animals moved from the sea to the land is the right answer.
The Paleozoic Era in the history of the earth was a time of major change on Earth. This was the period that ran about 542 to 251 million years ago. The period commenced with the split of a single super-continent and the development of another. Plants grew extensively. Moreover, the primary vertebral animals conquered the land.
Answer:
every answer of yours is correct
<span>"D.how living things are interconnected with their environment</span>" is the correct answer. Ecology has to do with systems of environments as a whole, and the organisms that live there.
The correct answer is that it becomes cancer cells.
Mitosis refers to the kind of cell differentiation, which leads to the formation of two daughter cells, and each comprising the same type and amount of chromosomes as the parent nucleus, generally of ordinary tissue growth.
The process of mitosis should be error free as otherwise healthy cells can turn into cancer cells. Cancer is basically a disorder of mitosis, in this case, the usual checkpoints, which are monitoring mitosis are overridden or ignored by the cancer cells.
Cancer initiates when a single cell is converted or transformed into a normal cell to a cancer cell and is generally taking place due to a modification in function of one of many genes, which usually work to monitor growth, like p53 gene or tumor suppressor gene.
