which of the following is true for compounds?

plz

What is histamine and what is its role in allergic reactions

When species lose their habitats they may..

Which of the following would be least likely to support the modern concept of biological evolution? ( 2 points) a)different species of organisms with similar bone patterns b)different species of organisms with similar reproductive rates species in c)different domains with similar metabolic pathways species in d)different kingdoms with similar cellular structures.