Week 3 Analogy/Homology

1.

    A. Two different species that possess a homologous trait is humans and horses. Both are mammals. Humans are bipeds (walk with two feet) and horses are quadrupeds (walk on all four legs).

    B. The homologous trait of humans and horses are the forearms. Forearm for horses and forearm for humans. In the horse the forelimb is very delicate since its responsible for 60% of the horse’s weight. Its located in the two from legs of the horse. As for humans, the forearm is between the elbow and our wrists. Humans use the forearm to grasp things and horses use their forearms for walking and running.

   C.  Aside from both species being mammals, I couldn’t find the ancestor of humans and horses; it’s safe to say that both are primates. Both share flexible and similar body parts of a primate.

  D.

2A. Horses and humans also possess analogous traits. An analogous trait in both humans and horses are the limbs in both species.

B. The structure of the limbs was independently evolved. Both limbs in horses and humans have different structures and evolutionary histories. Although, limbs are used for the same function (locomotion) in both humans and horses.

C. Common ancestry between humans and horses come from primates. The traits are analogous because they look different and are placed different in the humans and horses anatomy.

D.

week 2 Decode me!!

 
AUGUGGACCCAAGCCACUUGCAGAUUCAACUAG

Historical influences week 1

Week 1 Historical Influences

1.One individual who I feel had a great influence over Darwin’s development in natural selection was a man named Charles Lyell. A lawyer turned geologist after seeing that people didn’t have an answer for a catastrophe. People fell back on the bible. Lyell wanted and believe that there was a science behind it, therefore I feel geology is very important since if it was ant for geology how would we predict what we know now. We don’t blame the bible anymore.

2.Charles Lyell made a major contribution to the science community by believing and discovering the science of geology after learning that one catastrophe was blamed on the bible “Noah’s Flood”. If it was ant for geology how would we know how tell a storm is coming or to prepare for it? That why I believe it’s a big contribution because Charles Lyell discovered it in 1800.s and is still a valuable tool today.

Source = http://evolution.berkeley.edu/evolibrary/article/history_12

“Uniformitarianism Charles Lyell”

3.The point most affected by the individuals work of Charles Lyell is bullet point “If the environment changes, the traits that are helpful or adaptive to that environment will be different”. Charles Lyell theory had everything to do with the environment. When the environment changes so do Earth and as these catastrophes happen; it forms Earth as well.

4. Well Charles Darwin obviously shares the same concept than these individuals. There individuals that believe everything has a reason and things don’t just happen, there’s always an explanation behind it, the science of things and I believe Charles Darwin would of came up with the idea of natural selection anyway.   

5.The attitude of the church affected Charles Darwin significantly because it caused controversy. Darwin felt the backlash of the church therefore he would hold his publishing in my opinion out of respect.