A) a large group of cells that grew without regulation.
A tumor is where there is a mutation that causes cells to lose their ability to self regulate, so they reproduce too fast and become unspecialised, causing a tumour.
Let me know if you have any questions
Such plants are called vascular plants.
D) orbit the nucleus like the planets orbit the sun.
this idea was first proposed in the rutherford model:)
Cell division is the process by which a cell divides into two daughter cells and as a cell becomes larger, its volume increases faster than its surface area.
The answer is b. a higher surface area/volume ratio than the parent cell.
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