Which characteristics do hookworms and tapeworms share? check all that apply. a)they are types of roundworms. b)they are parasitic. c)they have a digestive system. d)they cause diseases in humans. e)they have nerve cells. f)they can be used to treat illnesses.

Which of the following diseases may be transmitted through an accidental needle stick? a. syphilis b. tuberculosis c. cellulitis d. hepatitis b

Asmall number of finches are removed randomly from the wild and placed in a protected bird area. they are given as much food as they need and have plenty of space. why would natural selection not occur in this population? a. there is no reason for genetic mutation to occur. b. the birds compete for limited resources, c. the population has not reached carrying capacity. d. there is no genetic variation in the finches.

What is hydroelectric power produced by?