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Introduction of zoology.

1 : Zoology is the branch of Biology that studies the animal kindom. 2 : It is also deals with animals, particulrly the study of structure, development ,physiology and classification of animals. In a zoology degree, a people will learn about animal life from every point of view like: . Microbiology .Genetics .Evolution .Conservation .Behaviour…

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Life cycle of frog:

This life cycle from egg to adult can take several weeks to several months, depending on the species and environmental conditions. Frogs are cold-blooded animals, so their development can be influenced by temperature and the availability of water. In zoology we know about the frogs.Frogs are amphibians,meaning that they can live in the water or…

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Agnatha(jawless fish):

“Agnatha” refers to a superclass of jawless fish, which includes lampreys and hagfish. These ancient creatures represent some of the earliest vertebrates in the evolutionary history of animals. Characteristics: Types: Habitat: Agnathans can be found in various aquatic environments, including oceans and freshwater bodies. Some lampreys are anadromous, meaning they migrate between saltwater and freshwater…

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Ichthyology:

It is a branch of zoology, that tell us about the study of fish, including bony fish( Osteichthyes), cartilaginous fish(Chondrichthyes),and jawless fish (Agnatha).In zoology ichthyology is important because people need fishes for food,we still don’t know even basic facts, like how many species of fish there are in the whole world. Ichthyologists use specimens, fish…

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Dogs:

Because in Zoology we learn about animals, their behaviour, structure and classification etc. So the dogs are also animals. In the study of Zoology we learn about animals, how many kinds of dogs, how they live, what they want to eat. Study of Zoology tell us all things about the dogs. Nature of Dogs: Dogs…

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Sexual Reproduction in Animals:

In zoology the sexual reproduction, the production of new organisms by the combination of genetic information of two individulas of different sexes. Most organisms reproduce by mating,which increases the genetic variability of the organism. The males and females have separate reproductive organs known as gonads. These gonads produce gametes that fuse together to form a…

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Vertebrates Classification:

The phylum chordata (animals with backbone)is divided into five common classes thats are: 1: Fish. 2:Amphibians. 3:Reptiles. 4:Mammals. 5:Birds. Fishes: 1: They live underwater. 2: They breath throughout gills. 3:Some of them have scales covering their bodies. 4:Fins help them to move under the water. 5:Cold-blooded animals. 6:They are born from egges. Amphibians: 1:Thin and…

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Animal Kingdom: Basis of Classification

Classification of animals helps us to understand how all living organisms are related to each other. The system of animal classification was developed by Swedish botanist Carolus (Carl) Linnaeus in the 1700s.Animals are divided into two groups on the basis of presence and absence of the backbone into: 1: Vertebrates 2:Invertebrtes. Vertebrates: These are a subphylum of chordates…

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