Positive feedback is when the change caused by the stimulus is

Name the following: (a) category of pathogen that causes diseases, like common cold and mumps. (b) the microorganism that requires a host to produce.

The finches on the galapagos island were similar in form except for variations of their beaks. darwin observed that these variations were useful for: attracting a mate defending territory building nests gathering food

Patient has just received an organ transplant which treatment would be most effective in preventing the patient’s body from