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Synapsids were reptiles that had a hole in each temporal region, eventually giving rise to modern mammals.
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∙ 11y ago
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∙ 13y agoThe basal amniotes, which resembled small lizards, split into two groups: the sauropsids and the synapsids. The sauropsids evolved into reptiles and birds. The synapsids evolved into mammals.
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∙ 14y agoThe synapsids.
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∙ 13y agoMonotremes
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∙ 13y agomammals
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Animal group having backbone?
Vertebrates are animals that have a backbone, which is composed of individual vertebrae. This group includes mammals, birds, reptiles, amphibians, and fish. The backbone serves as a structural support for the body and also houses and protects the spinal cord.
Prehistoric reptile ancestor of mammals?
Therapsida are a group of Synapsids that include mammals and their immediate evolutionary ancestors. Synapsids are a group of reptiles with fossils aging from 320 to 100 Mya. This group includes mammals and, mammal like reptiles. These animals are classified differently than Sauropsids (birds and reptiles) because they have a single opening in their skull behind each eye (temporal fenestra) which is also true of modern mammals. The best answer would be Therapsida.
Is a vulture a reptile or a mammal?
A lizard is a reptile for several reasons. It is cold-blooded, unlike mammals which are warm-blooded. Also, it lays eggs, whereas mammals do not, and it also does not have hair, which mammals do.
Are fishes mammals or reptiles?
Fish are their own group.
Did mammals evolve from a group of reptiles called raptors?
No. Mammals evolved from a group of reptiles called cynodonts. "Raptor" is an informal term for a group of dinosaurs call dromaeosaurids, which were closely related to the ancestors of birds.
What are the group of vertebrates animals?
1.picies(fish) 2.amphibian 3.reptile 4.aves(birds) 5.mammals
What is a theraspid?
A therapsid is a group of animals consisting of mammals and their ancestors. They are notable for their complex jaws and evolved teeth and their upright posture.
Which group of mammals lay eggs like their reptilian ancestors?
Mammals which lay eggs are called monotremes. They include the platypus, short-beaked echidna and long-beaked echidna. However, there is no evidence that reptiles were ancestors of the monotremes. Such a belief remains a theory, not fact.
Why prototherians are unfinished mammals?
Prototherians are a small group of mammals that still lay eggs. They are thought to be the most ancestral form of the class Mammalia.
What group are the turtles in?
Turtle is a reptile.
What group does a snake go into?
the snake goes into the reptile's family
What group is the turtle?
reptile
