Answer: Prophase. The first and longest phase of mitosis is prophase. During prophase, chromatin condenses into chromosomes, and the nuclear envelope, or membrane, breaks down. In animal cells, the centrioles near the nucleus begin to separate and move to opposite poles (sides) of the cell.
Explanation:
Answer:
1. Cell wall
I'm not sure what system the seedling is in though
Answer:
Explanation:
they are identified by routinely morphological and biochemical tests
<em>Answer is B. The fossils in the lower layers are older than the fossils in the upper layers.</em>