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The bird's wing has a fairly rigid bone structure, and the main flying muscles move the bones at the point where the wing connects to the body. A bat has a much more flexible wing structure. It is very much like a human arm and hand, except it has a thin membrane of skin (called the patagium) extending between the "hand" and the body, and between each finger bone. Bats can move the wing like a hand, essentially "swimming" through the air. The "thumb" extends out of the wing as a small claw, which bats use to climb up trees and other structures. This helps them reach a high "launching point" for flight takeoff. Appropriately, the order of bats is called Chiroptera, Greek for "hand-wing."
The hoof of a front leg.The hoof of a front leg.The hoof of a front leg.The hoof of a front leg.The hoof of a front leg.The hoof of a front leg.
yes they have arms and legsI often have this discussion with people and it always escalates to the funniest arguments but YES dogs and cats do have arms. From an anatomical standpoint, dogs have shoulders, they have elbows, they have a forearm (front section above their front paws) and they have a pastern which in humans is called a wrist! Last time I checked you do not have a wrist on your let so, yes, they do have arms, it is a misconception that they are four legged animals. Just take a look at their legs, they most assuredly have a thigh and a hock below the knee joint that is analogous to a human ankle. They may utilize their arms as legs because they transport themselves in this way but clearly the anatomy of their front appendages are more arm like than leg like. Plus the best argument for dogs having arms is that they wear sweaters that clearly have sleeves that belong on "arms."
Yes, squirrels have forearms (front legs).
How do you trim a squirrels front teeth
Neither one. Both homologous and analogous structures refer to similar structures. But a cat's front leg and a whale's front flipper have little in common. Homologous structures come from little evolutionary separation, and analogous structures come from convergent evolution. But the differences between a cat's front legs and a whale's front flipper result from divergent evolution. The common ancestor of mammals (cynodonts) has split into various groups with widely differing characteristics. One such group includes cats, and another includes whales. These two groups are not very related to each other, thus having no homologous structures, and have been put in very different environments, thus having no analogous structures.
Yes. Though they both enable the organism to fly, they are different on the inside. Bird wings have tiny bones in them, while butterfly wings are kept rigid by fluid pressure. Therefore, they have a similar function but different structures and are analogous.
Dolphins often seem to wave a flipper. The seal's front left flipper was temporarily snagged in a fisherman's net.
Whales' front limbs are called fins. Only some whales have back limbs, which are very small. The tail is divided into two extensions called flukes. Most whales also have a dorsal fin.
ya! a flipper can be worn with braces! i was in the same situation and got braces yesterday!
They both contain skeletal bones.
Dolphins mostly use their back flipper but sometimes use their front fins.
They both have a common ansestor.
No. The word "forefront" is a single word, analogous to being brought to the fore, or brought to the front.
yes they have a red front
they have a similar bone structure and they all have a common ancestor.
Those are referred to as homologous structures.