What is the contribution made to the development of the microscope by anton van leeuwenhoek?

1.first to document careful observations of different cell types
2.identifying the first cell
3.used mathematics to improve the focus of the lens
4.created the first microscope
5.discovered the electron microscope
6.built microscopes capable of magnification of up to 1250 x using regular light

The production of cells during mitosis into specialized function is recombination or differentiation

Recent research by marine biologists suggests that bottlenose dolphins have names for themselves. scientists played sounds they had identified as the names of particular dolphins, putting them through a synthesizer so that they did not sound like the voices of particular dolphins. the researchers found that dolphins would respond to the names of other dolphins that they were related to or associated with, but they ignored the names of strangers. this discovery suggests a much greater degree of self-awareness in aquatic mammals than was previously suspected. if this research holds up, what does it suggest about dolphins?

Talking listening and reacting non verbally are all part of communicating