M. J. Shleiden shifted the scientific community's attention to cellular processes with his

claim that cells were the basic unit of all plant matter

Explanation:

In 1883, the German botanist Matthias Schleiden came to the conclusion that all plants were built of cells, while the German zoologist Theodor Schwan, only a year later, concluded the same for animals.

Together they lay the foundation of the so-called cellular theory which represents a fundamental discovery in biology. This theory contains three basic postulates:

we need additional information in order to determine the cause of death for anna garcia. there are at least 3 things with explanation included as to why we need them are as follows: