role of organism in environment

Summary - Ecology concerns with the associations and interactions of the organisms and the environment in general. The living place or dwelling place of an organism is called habitat. Within a given habitat there exists variations or micro habitats. In a given habitat ..

Organism and Environment - Each and every living organism has its specific surrounding medium of environment with which it continuously interacts and remains fully adapted. The environment is the sum total of physical and biotic conditions influenci..

he term ecology is derived from two Greek words (oikos - means 'house' or place to live and logos means 'a discussion or study'). Literally, ecology is the study of organism 'at home' in their native environment. The term was first introduced by Reiter in 1868, but was ful..

Environment includes all the factors that affect the form and growth of the organism. Habitat is the term given to the special environment in which an organism lives and grows. In order to survive, plants and animals develop special features called adap..

Introduction - Environment is defined as the surroundings in which the organism lives. The environment may be the physical environment, the chemical environment or the biological environment..

Role Of Hormones As Messengers And Regulators - Hormones are informational molecules. They are secreted in response to changes in the environment inside or outside the body. These are released into the extracellular fluid, where they are diffused into the blood stream. The latte..

Most of the nutrients are organic molecules. The organic molecules are primarily made of carbon, hydrogen and oxygen. In addition, they may contain nitrogen, phosphorus, calcium, magnesium, iron, etc. depending on the function. Minerals are the inorganic components of foo..

Introduction - Environment includes all the factors that affect the form and growth of the organism. These factors are of two kinds, Abiotic Biot..

Summary - Environment is defined as the surroundings in which the organism lives. It has two components - abiotic and biotic. The abiotic environment includes the air (atmosphere), water (hydrosphere) and land (lithosphere). The biotic environment includes th..

Organic evolution not only creates new species but also eliminates some old ones. Many species became extinct before man appeared. Examples: trilobites, dinosaur..