What is the most diverse group (largest number) of living things found in PA? [Amphibians, Birds, Fish, Invertebrates, Mammals, Plants, Reptiles]

Which of the following is an oxidation-reduction reaction? (pictured below)

Which type of bacterial reproduction is depicted in the diagram?

~~16. while watching a special on animals, brianna discovers that hares tend to lose heat through their ears. based on this and what is known about surface-to-volume ratios, propose an explanation as to why hares that live in hot climates (such as the desert) have large, extended ears