That is true and cacti with many spines are typically preferred by parasites. This is an example of bidirectional selection in which evolutionary pressures from multiple sources encourage an organism to adapt.
Answer:
D the part of an atom counted to determine the atomic number of an element
Cells are the basic unit of structure in all living things. ... Since cells are in all living things, they provide information about all life. Because all cells come from other cells, scientists can study cells to learn about growth, reproduction, and all other functions that living things perform
I think. They will die if they do not find another source, depending what it is.
Without cytokinesis, there will be more than one nuclei.