Why is the structure of a neuron ideal for its function?

Which animal group is the largest and contains more species from all the other living groups combined? is it mammals or

What is an animal that lives by preying on other animals

The earth consists of a variety of different organisms. despite their diversity, however, some similarities on the structural and metabolic levels may be seen. these similarities can be attributed to a. similarities among organisms in their proteins and nucleic acids. b. the ability of organisms to readily adapt to sudden environmental changes. c. similarities in organisms' habitats and niches. d. the ability of all organisms to interbreed and produce new species.