Dimorphodon and Archaeopteryx are alike in the following ways:
both have wings, legs, and tails
. They also have teeth in their beaks. They both are flying animals. Dimorphodon has wings with no feathers, and the wings are part of its arms.
What traits did Archaeopteryx have in common with living bird species quizlet?
Terms in this set (7) The 150-million-year-old Archaeopteryx has many
birdlike characteristics such as feathered wings
, but it also has characteristics that we associate with living reptiles.
Which of the following characteristics of birds is not found in Archaeopteryx?
The fossilized skeleton of Archaeopteryx looks like that of a dinosaur. It had teeth and birds do not, but it also had
feathers modified for flight
, a trait associated only with birds among modern animals. Fossils of older, feathered dinosaurs exist, but the feathers do not have the characteristics of flight feathers.
What group of reptiles led to the evolution of birds quizlet?
1) Birds evolved directly from
Thecodont reptiles
. – Diapsids had 2 major evolutionary lineages, the Lepidosauromorpha (with snakes and lizards) and the Archosauromorpha.
Why is the discovery of the fossil Archaeopteryx significant it supports the?
Answer: Discovery of the fossil Archaeopteryx supports the A)
phylogenetic relatedness of birds and reptiles
.
What are the 5 characteristics of birds?
- Feathers.
- High metabolism.
- A four-chambered heart.
- A beak with no teeth.
- A lightweight but strong skeleton.
- Production of hard-shelled eggs.
What are the 7 characteristics of birds?
- Feathers.
- Wings.
- lightweight, rigid skeleton.
- Endothermic metabolism.
- unique respiratory system.
- beak.
- oviparity.
What are 2 characteristics of Archaeopteryx that are similar to modern birds?
Archaeopteryx exhibits both reptilian and bird like characteristics. Similar to reptilians,
Archaeopteryx had a complete set of teeth
. Unlike all living birds, Archaeopteryx had a flat sternum, a long, bony tail, gastralia, and three claws on the wing, believed to be used in grasping its prey or maybe trees.
What animal did birds evolve from?
Birds evolved from
theropod dinosaurs
during the Jurassic (around 165–150 million years ago) and their classic small, lightweight, feathered, and winged body plan was pieced together gradually over tens of millions of years of evolution rather than in one burst of innovation.
Which clades do birds belong to quizlet?
The clade marked 1 is
clade Aves
—the birds.
What is so unique about the Archaeopteryx?
It is one of the most important fossils ever discovered. Unlike all living birds, Archaeopteryx had
a full set of teeth
, a rather flat sternum (“breastbone”), a long, bony tail, gastralia (“belly ribs”), and three claws on the wing which could have still been used to grasp prey (or maybe trees).
What is the significance of Archaeopteryx?
Archaeopteryx is considered by many to be the first bird, being about 150 million years old. It was
the first reptilian fossil found with clear evidence of feathers
, a trait long considered the key distinction between birds and “non-birds.” “Scientists have argued, ‘feathers are unique. They can only evolve in birds.
Is Archaeopteryx a direct ancestor to all living birds?
8. Archaeopteryx is
the direct ancestor to all living birds
. the dinosaurs. This statement is false.
What are 4 types of shorebirds?
- American Oystercatcher (Haematopus palliatus) …
- American Avocet (Recurvirostra americana) …
- Black-bellied Plover (Pluvialis squatarola) …
- Black-necked Stilt (Himantopus mexicanus) …
- Black Oystercatcher (Haematopus bachmani) …
- Buff-breasted Sandpiper (Tryngites subruficollis) …
- Dowitcher (Limnodromus spp.)
What is the unique features of birds?
All of these unique features –
feathers, wings, a beak, hollow, fused bones and air sacs
– are what give birds their amazing abilities.
What are six features common to all birds?
- Bipedal.
- Warm-blooded.
- Vertebrates.
- Have feathers.
- Have scaly legs.
- Have wings.
