Global Connection: Changing Migratory Patterns Answers

The biggest threats to Christmas Island crabs during their annual migration are _______.a.dogsc.automobilesb.catsd.fences

Which of the following is the biggest threat to the Monarch butterflies’ annual migration? a. illegal logging c. airplanes b. cold winters d. new predators Please select the best answer from the choices provided

Too much logging in the Oyamel fir forests could lead to the eastern monarch butterfly going extinct because _______. a. the entire population of the species spends winter in Oyamel c. the winters are too cold in Oyamel b. the butterflies breed in the Oyamel fir trees d. the butterflies feed on the Oyamel fir trees Please select the best answer from the choices provided