101 علم الانسان

The two species that possesive the homologous traits are cats and whales. Cats have four legs with a similar bone structure to humans as well as the similar bone structure to the fin of the marine animal, whale. The structure of the fin and leg are the same, but as you can see in the image above, the whale has a wider humerus, ulna, radius, and carpals, and has longer phalanges. Although their structures are the same, their functions are different. Cats use their hands in order to be mobile on land and their paws allow “ act as shock absorbers for jump-landings” , while whales use their fins to stabilize themselves so that they do not roll around in the water ("Structure and Function of the Claw and Foot Pad in Cats" 2015).  The common ancestor for both whales and cats, along with humans and bats, is the placental mammals, which “weighed between 6 and 245 grams,” and lived about “1 00 million years ago,” right after the dinosaurs became extinct (Wong "Mee...

Decode the following: GCCGTACTAAGAGCGGACATGCAGTGGACGTACGTGCATCATTG

It is possible that the student is falling asleep in class because he is sitting in the back of the classroom. Test: I would test this hypothesis by asking the student to relocate to the front of the classroom, near the professor. If the student stayed awake, this would support my hypothesis that his location in the classroom caused him to fall asleep. If the student fell asleep anyway, it would suggest that my hypothesis was falsified.    3. An example of an untestable, unfalsifiable explanation would be that an invisible sorceress  cast a sleeping spell on him every time he was in that particular class at that particular time.

If I was stranded on an island, the two items that I would bring with me are a water purifier and a shotgun. I would use the water purifier so that I could always have access to clean water and use the shotgun for hunting animals in order to eat.