The following points highlight the four main types of pigments found in the blood of animals. The types are: 1. Haemoglobin 2. Haemocyanin 3. Chlorocruorin 4. Haemerythrin. Type # 1. Haemoglobin: A haemoglobin (Hb) molecule is a conjugated protein, because it consists of a simple protein and with a non-protein part. The non-protein part is called prosthetic group. The protein [...]
The upcoming discussion will update you about the difference between male and female prawn. Difference # Male Prawn: 1. Among the specimens of same age, the size of male prawn is large. 2. Abdomen is narrow in male prawn. 3. Walking legs are closely set. 4. Second walking leg is strongly developed and with numerous spines. 5. Appendix masculina is [...]
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 (1911- 1913) have shown that [...]