Write features of the following according to evolution
1. Archaeopteryx
2. Reptilian characters
3. Avian characters
Answers
1. Archaeopteryx:-
➤ It is a missing link between reptiles and birds.
➤ It is considered as connecting links which are not found in present times are called as Missing links.
➤ lts Fossils was discovered by Andreas Wagner from Bavaria in Germany.
➤ It was found in the rocks of Jurassic period.
2. Reptilian characters:-
➤ In this, Long lizard like tail with free is seen.
➤ Caudal vertebrae is found.
➤ Non pneumatic bones
➤ Weak sternum is seen
➤ Teeth are present in the beak.
3. Avian Characters:-
➤ In this feathers are found on the body.
➤ Jaws are modified into beak.
➤ Forelimbs modified into wings means it's reduced.
➤ Hind limbs built in avian plan.
Archaeopteryx is the single most famous transitional form in the fossil record.
↪ The bird-like dinosaur has mystified generations of paleontologists, who continue to study its well-preserved fossils to tease out information about its appearance, lifestyle, and metabolism.
↪This animal did possess a coat of feathers, a bird-like beak, and a wishbone, but it also retained a handful of teeth, a long, bony tail, and three claws jutting out from the middle of each of its wings, all of which are extremely reptilian characteristics that are not seen in any modern birds.
↪These are creeping and burrowing terrestrial animals with scales on their body.
↪They are cold-blooded animals found in most of the warmer regions of the world.
↪Their skin is dry, and rough, without any glands.
↪The body is divided into head, neck, trunk, and tail.
An avian, also known as featheries, is a bird or bird-like character, and/or person who generally identifies with said phenotype.
↪Feathers
↪Wings.
↪Beaks or Bills.
↪Laying Eggs.
↪Adapted Skeleton.