Key Difference – Protonephridia vs Metanephridia The key difference between Protonephridia and Metanephridia is the type of cells used in excretion. Protonephridia are composed of many flame cells that are ciliated cells used in excretion. Metanephridia are composed of cells that have an internal opening known as nephrostome and an external opening known as […]
Difference Between Schizocoelous and Enterocoelous
Key Difference – Schizocoelous vs Enterocoelous The key difference between Schizocoelus organisms and Enterocoelus organisms is the manner in which their embryo development takes place. In Schizocoelus organisms, coelom develops by splitting of the mesodermal embryonic tissue. In Enteroceolus organisms, the coelom is formed by the pouches formed by the digestive tract. CONTENTS 1. […]
Difference Between Prostomium and Peristomium
Key Difference – Prostomium vs Peristomium Prostomium and Peristomium are two parts found in the head region of the annelids. The key difference between prostomium and peristomium is that the prostomium contains sensory organs and a mouth region while the peristomium is present within the mouth region of the prostomium and does not contain […]
Difference Between Platyhelminthes and Aschelminthes
Key Difference – Platyhelminthes vs Aschelminthes Platyhelminthes and Aschelminthes are major invertebrate phyla of the Kingdom Animalia. Platyhelminthes are acoelomates while Aschelminthes are pseudo-coelomates. This is the key difference between Platyhelminthes and Aschelminthes. Invertebrates are defined as animals that lack a backbone. Other major phyla that include invertebrates are Cnidaria, Annelida, Arthropoda, Mollusca, and […]
Difference Between Diapause and Hibernation
Key Difference – Diapause vs Hibernation Hibernation is an adaptation that mammals possess in winter that makes them inactive and metabolically depressed. Diapause is another adaption that creates a temporary pause in the processes of growth and development of animals. Diapause takes place in adverse conditions during both winter and summer while hibernation takes […]
Difference Between Hemichordata and Chordata
Key Difference – Hemichordata vs Chordata Kingdom Animalia is composed of multicellular, heterotrophic, eukaryotic animals. There are different phyla coming under Kingdom Animalia. Chordata and Hemichordata are two phyla of animals. Phylum Hemichordata includes marine worm-like animals that are invertebrates. Phylum Chordata includes animals that possess a notochord, a dorsal hollow nerve cord and […]
Difference Between Dengue Mosquito and Normal Mosquito
Key Difference – Dengue Mosquito vs Normal Mosquito Mosquitoes are small flies belonging to the family of Culicidae. They often resemble the crane flies and chironomid flies. The females of the mosquitoes depend on a blood meal, and they are vectors of dangerous diseases. However many species of the mosquitoes are not blood eaters. […]
Difference Between Coelenterates and Platyhelminthes
Key Difference – Coelenterates vs Platyhelminthes Kingdom Animalia is divided into two main categories as vertebrates and invertebrates. Invertebrates are further divided into phyla out of which the two most primitive phyla are the Phylum Coelenterate and Phylum Platyhelminthes. Phylum Coelenterata, also referred to as Cnidaria, is the most primitive invertebrate type and are […]
Difference Between Roundworm and Hookworm
Key Difference – Roundworm vs Hookworm Worms are parasites that reside in the bodies of higher organisms including humans. They live on the gastrointestinal system where they produce eggs and thereby increasing their population in the gastrointestinal tract. There are different types of worm parasites such as roundworms, tapeworms, hookworms, and whipworms. They cause […]
Difference Between Crustaceans and Molluscs (Mollusks)
The key difference between crustaceans and molluscs is that the crustaceans have segmented bodies while molluscs have unsegmented soft bodies. Kingdom Animalia constitutes major groups of animals. All the animals in kingdom Animalia are eukaryotes and multicellular heterotrophs, and most of them can move. Moreover, kingdom Animalia also has several different phyla. Among them, phylum […]
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