Listed below are four adaptations of terrestrial vertebrates. which is a characteristic only of truly terrestrial animals with no need to return to water at any stage of the life cycle?
1. tetrapod locomotion
2. hearts with more than two chambers
3. lungs
4. amniotic eggs
5. all of these are essential for a completely terrestrial existence
Answers: 1
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What sentence best supports the statement that hormones are involved in the regulation of homeostasis? a. the hormone erythropoeitin increases the production of red blood cells when oxygen levels are low. b. the hormone oxytocin promotes labor contractions of the uterus during childbirth. c. the hormone melatonin induces sleep and its production is slowed by exposure to light. d. the hormone cortisol suppresses the immune system and is produced when the body is under stress.
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Listed below are four adaptations of terrestrial vertebrates. which is a characteristic only of trul...
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