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Reptiles and birds are divided into two classes reptilia and aves What fossil evidence would be the BEST support for this division?
Wiki User
∙ 9y ago
The crinoid stalks and blastoid heads are the common fossils that best distinguish the classes of birds and reptiles. They classify birds to class aves and reptiles to the class reptilia.
Wiki User
∙ 9y ago
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What are the 5 classes of vertabrates?
There are five main classes of vertebrates, which are:Mammals (Mammalia)Birds (Aves)Reptiles (Reptilia)Amphibians (Amphibia)Fish - which in turn are subdivided into Agnatha (jawless fish without scales, e.g. lampreys and hagfish); Chondrichthyes (sharks and rays, which have skeletons of cartilage rather than bone); and Osteichthyes (all the bony fish e.g. tuna, trout, whiting, etc.)
What are the five classes of vertebrates in terms of structure?
fishes amphibians reptiles birds mammals
What are the classes of animals?
Scientists group animals into classes for the sake of study. The most commonly known classes of animals are birds, mammals, reptiles, amphibians, and fish. Other common classes are insects and arachnids.
Why are reptiles important?
Some eat insects, which is beneficial to humans that live in undeveloped Nations, because insects eat crops and are a problem in rain season as that's when a lot of them come out.. I actually use to live in one, and they were important for that.. Some Reptiles eat rodents like rats(rodent) which is beneficial to humans, because, rats go all over people's houses.
What are the classes of vertebrates and the characteristics for each class?
Fish, Amphibians, Reptiles, Birds, Mammals. Vertebrate means animals with a backbone!
What are the four types of animals?
There are four main classes of animals: Mammals (Mammalia), Birds (Aves), Reptiles (Reptilia), and Fish (Chondrichthyes, Agnatha, Placodermi, Actinopterygii, Sarcopterygii).
What class of vertebrates are hatched from an egg on land?
There are two such classes: Reptilia (reptiles) and Aves (birds). Additionally, 5 species of monotremes, a group of mammals, are hatched from an egg on land.
How long has the reptilia class be around?
In 1825 the four classes of animals (reptile, bird, amphibians and mammals) were divided by Latrielle and the classification reptilia was started.
Chordate classes that have 3 chambered hearts?
The chordate classes that have 3-chambered hearts are Amphibia (the amphibians) and Reptilia (the reptiles). Humans and other mammals (birds too) have a four-chambered heart (left atrium, right atrium, left ventricle, right ventricle). Reptiles and amphibians have a left atrium, a right atrium, but only one ventricle (although the ventricle of reptiles has a small internal wall that divides it to some extent).
How many classes of kingdom?
Mammalia Aves (birds) Reptilia Amphibia Insecta
Which classes dinosaurs belong?
Dinosaurs belonged to the class Reptilia. Birds, which are a subgroup of dinosaurs, are often given their own class, even though they are a subgroup of Reptilia.
How many classes of animal kingdom?
Mammalia Aves (birds) Reptilia Amphibia Insecta
How many classes come under the subphylum Vertebrata?
Class Agnatha (jawless fish)Class Chondrichthyes (cartilaginous fishes)Class Osteichthyes (bony fishes)Class Amphibia (amphibians)Class Reptilia (reptiles)Class Aves (birds)Class Mammalia (mammals)
What is the class for animals?
A class, in an organism's toxonomic classification, falls between its phylum and its order. Well-known vertebrate classes include Mammalia (mammals), Aves (birds) and Reptilia (reptiles).
What are the eight classes of vertebrates?
There are five main classes of vertebrates, but one of these classes is divided into three classes, giving a total of seven classes altogether.Mammals (Mammalia)Birds (Aves)Reptiles (Reptilia)Amphibians (Amphibia)Fish - which in turn are subdivided into:Agnatha (jawless fish without scales, e.g. lampreys and hagfish);Chondrichthyes (sharks and rays, which have skeletons of cartilage rather than bone)Osteichthyes (all the bony fish e.g. tuna, trout, whiting, etc.)
How many classes of vertebrate exist?
There are seven classes of vertebrates.The five main classes of vertebrates are:Mammals (Mammalia)Birds (Aves)Reptiles (Reptilia)Amphibians (Amphibia)Fish - which in turn are subdivided into Agnatha (jawless fish without scales, e.g. lampreys and hagfish); Chondrichthyes (sharks and rays, which have skeletons of cartilage rather than bone); and Osteichthyes (all the bony fish e.g. tuna, trout, whiting, etc.)
What are the 6 groups of animals?
The 6 main classes of animals are as follows:1) Mammals2) Amphibians3) Fishes4) Birds5) Reptiles6) Invertebrates
