QUESTION 8
_________ is consider a reproductive strategy in fish and is characterized by ________. One example of fish that do this is ________. Which answer identifies all of answers that are correct?
i. Nest guarding; males building a nest and guarding the eggs after they are deposited; many species in the goby (Gobiidae) family
ii. Nest guarding; males make a nest out of an abandoned crevice and guarding the eggs after they are deposited; many species in the toadfish (Batrachoididae) family
iii. Mouth brooding; carrying eggs in the mouth until they hatch and sometimes even allowing the newly hatched fish to remain in the mouth for a period of time; some species in the jawfish (Opistognathidae) family
iv. Several forms of hermaphroditism; an individual fish both a female and male either synchronously (one sex first then switching to the other) or simultaneaously (have female and males organs at the same time); many species in the clownfish family
i, iii, iv
i, ii
i, ii, iii, iv
ii, iii, iv
i, iv