Beak Lab Analysis Charles Darwin , a naturalist, discovered and stated that organisms arise and grow and develop through the natural selection. Natural selection is the process in which nearby organisms well adapted to the environment to survive and to produce offspring. In class we did a lab where we studied the amounts of food birds get with their different sizes of beaks. For an example, we use a spoon to represent a larger beak I found that it was harder to pick the food.
Scientific Concepts in “The Beak of The Finch” On an island in the middle of a volcanic archipelago, where Darwin first created theories on the idea of evolution, Peter and Rosemary Grant spend twenty years proving that Darwin did not understand the power of evolution. I now understand better how natural selection, hybridization, and adaptation work in the real world. When I first took biology freshman year I didn’t quite understand how natural selection and evolution were real. But, as you read this book you begin to learn that natural selection is not a rare thing nor does it work slow.
In Biology class we conducted a lab called “Bird Beaks”, in the lab we were separated into four groups of different bird beaks. Our goal was to see which type of beak was more successful, and if evolution occurred. I claim that Evolution did occur in the bird beak lab because spoons were able to survive and grow throughout everything that occurred and tweezys were able to grow and thrive after migration and everything that followed. My first piece of evidence and reasoning, is that spoons survived throughout the whole experiment after two natural selections, a migration of tweezys, a natural disaster, and a mutation. We started with seven spoons and ended with thirteen spoons.
Thinking back to when I read "To Kill a Mockingbird", I now recall striking comparisons between Maya Angelou 's autobiography and Harper Lee 's fictional novel. While reading "I Know Why the Caged Bird Sings", I drew more connections between the two very different books. Matthew has already pointed out the similar theme of racism, but I think there could be more similarities between the characters. Even though Maya Angelou and Jean "Scout" Finch were of different nationalities, both girls suffered due to their imaginative nature and physical appearances. Maya and Scout have compassionate older brothers (Bailey Johnson Jr. and Jeremy "Jem" Finch), a loving parent (Annie "Momma" Henderson and Atticus Finch), and the two girls live in a
Our experiment selected the best performing (in flight distance) offspring to become the next Generation's parent. This models selection by demonstrating how only the best fit birds were able to pass on their "genes" to the next generation while the others "die off," and represents the process of evolution through natural selection. Compare your youngest bird with your neighbor's youngest bird. Describe how they are similar and how they are different.
Evolution. The. Ancestors. The. Traits. In the text, "Shedding Light on the Dinosaur-Bird Connection", the author tries to provide sufficient evidence to support his claims that birds are living dinosaurs.
The professor refutes this point by saying that feathers might have other functions than flight. The professor gives and example of B-cock, which has a colorful feathered tail, that is used to display to attract mate. The professor explains that analysis showed that Sinosauropteryx had a colorful orange white feathers, which supports the display function of the
James Hurst, the author of the short story, “The Scarlet Ibis,” uses the scarlet ibis to symbolize Doodle. Both the bird and Doodle both stand out in their own ways. Doodle was born with a bad heart, and his parents were told, when he was first born, that most likely he wouldn’t live and if he were to live, he would never be able to walk. Doodle’s brother is ashamed of having a crippled brother, that he can’t play with, and tries to help Doodle learn how to walk for his own pride and ego. After many months of constant success, Doodle’s brother tries to push Doodle a little more than Doodle can endure by leaving him, after he has fallen, on the way home during a strorm.
Others curved up or down like crossed sickles” (Joling). This beak deformity is known as Avian Keratin Disorder (AKD), and as the name suggests, there is a problem with the keratin in the beak. Joling’s article was based off the original article and study done by Maxine Zylberberg and other colleagues. The study they did was very extensive and carried a lot of components to it. They were unsuccessful in a lot of their trials, and had to
Dawkins utilizes the analogy of “history written all over us” in order to showcase the common ancestry that many animals share and how it is shown through various homologous traits. One such example that Dawkins uses is flightless birds, such as ostriches and emus, that never fly in their life but have remnants of wings from their remote flying ancestors (Dawkins 2009). This set of homologous traits in birds is clear evidence of evolution because it showcases how over the years certain species of birds have lost the ability to fly due to certain living conditions. Dawkins also mentions troglobites, which over time have lost the ability to see but still contain “dummy eyes”, in order showcase the fact that evolution is evident in the form of
It all began at Morro Bay High School in 1997. It was a cool day with a low percent chance of rain which set the four young teenagers minds to think that they were going to plan to go on a camping trip in Santa Monica the next day. There plan was that they were stay for the weekend. Now the four teenagers were juniors about to begin summer and become seniors. Well, there’s John Wellings, 19, Kate Collins, 18, Ashton Kimberly, 19, and Jamie Thompson, 19.
Mutation did occur in some of the rounds we did in the experiment by having more birds with longer beaks and smaller ones decreasing dramatically. But eventually birds with smaller beaks will adapt to another environment and as for long beak birds they will have to challenge one another to fight for food and probably over time have a hard time searching for food. But it wasn’t natural selection that changed the beak size of the birds it was basically a mutation that was passed on to their
The inclusion of the Darwin’s finch model is an excellent example of this. This allows us to illustrate the way the evolution occurs in a relevant way to the
Abortion, is it unethical, yes, I believe its morally wrong. “Abortion is defined as the intentional termination of pregnancy” (Abortion 80). Some believe you are not considered life until you take your first breath, I personally believe you are considered life upon conception.
There are a least 14 species of Darwin’s finches that have developed over millions of years. When Darwin encountered the finches on the Galapagos Islands he noticed the diversity of the Finches beaks and size compared to each other. In Figure 1 you can see this. The diet of nuts and berries that the finches had access to on the island is greatly related to the size and function of the finches beaks (Grant, 2003). The larger beaked birds fed off of hard shelled nuts, while the smaller beaked birds fed off of smaller seeds and nectar from plants.
