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Main vertebrate groups

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As we discussed there are main groups under vertebrates. Let us consider each one of them. 1. Pisces 2. Amphibia 3. Reptilia 4. Aves 5. Mammalia Pisces Pisces is a category of organisms that includes all types of fish. Pisces are vertebrates. They have specific organs for processes such as blood circulation, excretion, respiration, locomotion, etc. Pisces are poikilotherms. They do not have the ability to regulate their own body temperature. Amphibia Amphibians are a class of animal that represents a crucial evolutionary step between water-dwelling fish and land-dwelling mammals and reptiles. They are among the most fascinating (and rapidly dwindling) animals on earth. Unlike most animals, amphibians such as toads, frogs, newts, and salamanders finish up much of their final development as an organism after they are born, changing from marine-based to land-based lifestyles in the first few days of life. Reptilia This class includes...
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Main invertebrate groups

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As we discussed there are main groups under invertebrates. Let us consider each one of them. 1. Cnidaria 2. Annelida 3. Mollusca 4. Arthropoda Cnidaria Cnidarians are invertebrates such as jellyfish and corals. They belong to the phylum Cnidaria. All cnidarians are aquatic. Most of them live in the ocean. Cnidarians are a little more complex than sponges. They have radial symmetry and tissues. There are more than 10,000 cnidarianspecies. They are very diverse. Cnidaria Anatomy Annelida The phylum Annelida is made up of segmented worms such as earthworms. Segmented worms are divided into many repeating segments. There are roughly 15,000 species of annelids. Most belong to one of three classes. Structure and Function of Annelidas Annelids range in length from less than 1 millimeter to over 3 meters. They never attain the large size of some mollusks. Like mollusks, however, they have a coelom. In fact, the annelid coelom is even larger, allowing gre...
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About animal classification

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Animal classification is defined as grouping of animals in a systematic way by considering their commom features.Animals can be classified into two main groups, Invertebrates, Vertebrates Invertebrates Invertebrates are cold blooded animals with no backbone.They can live on lands, such as, insects, spides and worms, or in water which include crustaceans (such as crabs and lobsters), mollusks (such as squids and clams), and coral. Invertebrates are scientifically classified by using their common features. Some of the groups are given below. 1. Cnidaria 2. Annelida 3. Mollusca 4. Arthropoda Vertebrates Vertebrates are animals that possess a vertebral column and/or notochord at any point in their lives.” One of the ways life is classified is through the presence or absence of the vertebrate. Let's discuss what are the classifications of vertebrates. Now you ca...
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