Herbivores, Carnivores and Omnivores

The organisms having holozoic nutrition are further classified in three categories. These are: Carnivores Herbivores and Omnivore   Carnivores The organisms which eat other animals or meat only are called carnivores. For example, lion, bear, snake, crocodile, lizard,...

Holozoic nutrition

A heterotrophic organism can obtain its food from other organisms in following three ways: Holozoic nutrition Saprophytic nutrition Parasitic nutrition Holozoic nutrition Holozoic nutrition takes place in those organisms which take solid or liquid food through the...

Heterotrophic Nutrition

The term ‘heterotroph’ consists of two words ‘hetero’ and ‘troph’. ‘Hetero’ means ‘others’ and ‘troph’ means ‘nutrition’. So, in heterotrophic nutrition the organisms cannot make their own food from carbon dioxide, water and...

Autotrophic Nutrition

All the organisms do not have same mode of nutrition, i.e. different organisms have different methods of obtaining and utilizing food. Based on the mode of nutrition, all the living organisms can be classified in two groups: Autotrophic and Heterotrophic Autotrophic...

Types of Respiration

The process of respiration can take place in the presence as well as absence of oxygen. Hence, respiration is of two types:         1. Aerobic respiration and        2. Anaerobic respiration Aerobic respiration The respiration which takes place in the presence of...