TLS Online TPP Program

#Question id: 10823


Which of the following statements about symbiotic relationships is true?
#Section 2: Evolution
  1. In a parasitic relationship, both organisms are harmed
  2. Symbiotic organisms have usually undergone little or no coevolution
  3. A relationship that appears to be commensalistic may in fact be mutualistic or parasitic
  4. The most efficient type of parasite is one that kills its host