In this article we will discuss about Trilobites:- 1. Introduction to Trilobites 2. Habit and Habitat of Trilobites 3. Structure 4. Development 5. Affinities. Introduction to Trilobites: These groups of arthropods have no living members and are represented only by fossils. Altogether 19 genera are known to have had included nearly 4000 species. A fossil […]
Study Notes on Trilobites
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Study Notes on Sacculina
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In this article we will discuss about Sacculina:- 1. History of Sacculina 2. Life History of Sacculina 3. Duration of Life Cycle 4. Effects of Parasitism. History of Sacculina: (i) Delage (1884) carried out many researches on Sacculina carcina. (ii) Among others, Smith (1906), Boschema (1931) worked on parasitic cirripeds. (iii) Smith (1910-1911) and Giard […]
Differentiate between Male and Female Cockroach
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The upcoming discussion will update you about the difference between male and female cockroach. Difference # Male Cockroach: 1. The body of male cockroach is smaller than the female. 2. The abdomen of male cockroach is slender and the last segment of the abdomen is pointed. 3. The wings of male cockroach are larger than […]
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