If a cell touches another cell, in a petri dish, what happens to the cell

Idon’t know the answer and i’ve been stuck on it for a while now skskskskks

In tomato plants, mendel found that the allele for smooth seeds (s) is dominant, while the allele for wrinkled seeds (s) is recessive. which of these punnett squares shows crosses between two plants heterozygous for smooth seeds? i need this to be answered as soon as ! sry the picture is bad quality

Explain why ecosystem diversity results in species diversity in a healthy biosphere