In the food chain below, which is the producer? flower , mouse, snake, hawk

Consider an organism that is eukaryotic, found in both unicellular and multicellular forms, may resemble a plant but is not photosynthetic, has chitin in its cell walls, and absorbs organic nutrients from decomposing material in the environment. this organism would be classified as which of the following types of organisms? a. fungib. protozoac. bacteriad. archaea

What enzyme is most important for dna replication and why?

What are antigens and antibodies? how are they involved in the body’s response to incompatible blood?