In the 19th century pollution made the bark of many tree go black. explain why

Briefly, the moth has several genetic forms, the most famous being the “typical” or white form, which is ivory colored with peppery black spots: i can give more info if u like?

What is the difference between cytokinesis in plant and animal cells? animal cells dived by a cleavage furrow. plant cells divide by a cell plate that eventually becomes the cell wall. cytoplasm and cell membranes are necessary for cytokinesis in both plant and animals.