Answer Choices
A) present research that validates earlier studies about the evolution of beaks in a particular species of bird.
suggest that alligators were the ancestor of several species of birds.
discuss a study that provides an explanation of how a bird's beak has evolved from an ancestral snout.
critique the approach a research team used to study the development of beak formation in chicken embryos.
Explanation for Question 21 From the Reading Section on the 2021 May Sat (International)
Hey guys. So question 21 says the primary purpose of the passage is 2 to blink. So, one thing about the passage as a whole, 3 when we were at these kinds of questions, and let's just think like, 4 what are they saying here overall? Well, 5 looking at my first start dispatchers called how birds got their beaks. 6 And then it goes into talking about this development and this experiment, 7 the scientists perform to examine that process right there. 8 So looking at, um, 9 what we're seeing here, we see option a says presented research that validates earlier 10 studies about the evolution of beaks in a particular species of bird. 11 Now this isn't that a particular species of bird, 12 and it's not validating earlier studies. 13 It's not the main focus it's examining this one study to, 14 um, present a view of how birds overall got their beaks as 15 is cited by the title. 16 And, you know, the, the content B says, 17 suggest that alligators are the ancestor of several species of birds. 18 This is not what they're saying is the primary purpose. 19 Well, they might say like, there's some connection to the type of, 20 uh, anatomy that alligators have. 21 And we're examining how birds evolved to be this way. 22 They're not necessarily saying like alligators are the ancestor of Allbirds. 23 Cause they were talking about Allbirds here or like alligators or the, 24 you know, ancestors of this specific species. 25 It's trying to get us an idea of how this developed for birds over 26 time. ...