There are many examples of cooperation between species, however, one of the better examples is the relationship observed between marine ‘cleaner’ fish and their ‘clients’. There are many
Introduction In animals all waste products must be excreted from the body in some manner. The urinary system is involved in the excretion of nitrogenous waste products such
Introduction The method of digestion which an animal uses depends on its diet i.e. carnivore, herbivore or omnivore. For example not all mammals are carnivores (e.g. dogs and
Introduction This is part of the ‘Special Senses’ Series: Vision Hearing Smell Taste The tongue is the organ of taste. Perception of taste is also known as gustation
Introduction This is part of the ‘Special Senses’ Series: Vision Hearing Smell Taste The ear is the organ of hearing (and balance). Specially adapted receptor cells located in
Respiration is the process of obtaining sufficient oxygen from an organism’s environment to support its cellular metabolic requirements. Respiration is not just the mechanical process of breathing -