Which of the following characteristics is known to make a species more vulnerable to extinction? A. herbivory B. occupying a small (localized. range C. living on a continent D. population less than 1 million E. high reproductive success

Efficiency is the percent of work put into a machine by the user (input work) that becomes work done by the machine (output work)

Chicken pox and hepatitis are bacterial diseases. true or false?

Ineed to get this test done which of the following statements is correct in hour our immune system responds to a potential pathogen? a.) the skin will be the first line of defense, and then the many phagocytes in the bloodstream will attempt to consume the possible pathogen. b.) b cells will start reading the antigen code immediately and call t cells to assist in destroying the pathogen. c.) the adapted immune system will call on the innate immune system to destroy the pathogen. d.) the t-cells in the adapted immune systems are the first to recognize the pathogen