What structural adaptation in chickens allows them to lay their eggs in arid environments rather than in water? a. extraembryonic membranes b. yolk c. cleavage d. gastrulation

Video transcript

hi everyone. Our next problem says in chickens. The formation of extra embryonic membranes is one of the most important blank adaptations for the ability to lay eggs in an arid environment rather than in water. And our choices are physiological, structural, behavioral or both. A. And B. So let's keep our minds open to the possibility that both A. And B. Might be correct answers. So A. Is physiological physiological has to do with the functions of a living organism. So something like heart rate or breathing. So an example of a physiological adaptation might be the development of hibernation um or the slowing of the bodily functions that allows animals to hibernate allows them not to need to eat the entire time. That's the actual the actual bodily functions. So the existence of this extra embryonic membrane is not a physiological adaptation. So we can eliminate choice A. And that allows us to eliminate choice B. As well. Since A. Is not correct. I'm sorry, choice D. As well. Both A. Which says both A. And B. So we can eliminate choice of D. The next one is choice be structural. Well, the extra embryonic membrane is a structure of the egg that allows the eggs to survive in an arid environment. So that would be an example of the structural adaptation. So Choice B. Is correct. But let's just look at choice C. To see why that is not correct choices, behavioral um behavioral something like uh prey animals gathering together in a group to watch out for predators. Um So this membrane is not a behavioral adaptation of the chicken. So C is not correct. Our correct answer is B structural See you next time.