Biological Collections
Biological Collections: set of organisms, or parts thereof, organized in order to provide information on the provenance, collection and identification of each of their specimens. It refers to the custody of …
Biology Study Notes
You will find all types of academic human biology study notes.These Biology notes will help you in your exam and in your practical life.
Cnidoblast
Cnidoblasts Cnidoblasts are special cells unique to Cnidarians (jellyfish, corals, sea anemones) that secrete a stinging substance and whose mission is both defense against predators and attack to capture prey. Cnidoblasts are …
Cladistics
Cladistics. (Greek: klados = branch) is a biological tool used to determine the evolutionary relationships between organisms based on relatively derived characters (apomorphs). A derived character is one that has originated from a primitive …
Citrus x sinensis
Citrus × sinensis , the orange tree or sweet orange tree, is a fruit tree of the genus Citrus, which is part of the rutáceas family. It is a medium-sized tree -although …
Citric acid cycle
Krebs cycle. Also called the Citric Cycle or tricarboxylic cycle ( TCA ), it was first discovered by Hans Adolf Krebs, a British biochemist who presented this important scientific advance in 1937. It …
Urea cycle
Urea Cycle Living organisms excrete excess nitrogen that results from amino acid metabolism in one of three ways. Many aquatic organisms simply excrete ammonia . Where water is less abundant, ammonia becomes a less toxic molecule, and its excretion requires …
Sea Horse
Sea horse . Seahorses or hippocampi (genus Hippocampus) constitute a group of marine fish belonging to the Syngnathidae family, which also includes pipe fish. Its name is due to the peculiar similarity that …