level of organization in ecology starting with atom

All living organisms are basically composed of atoms of some chemical elements, particularly carbon, hydrogen, oxygen and nitroge..

Organism and Its Characteristics - An organism is a distinct unit of life in nature. It is said to be the smallest level and basic unit of ecological hierarc..

An organism is a distinct unit of life in nature. It is said to be the smallest level and basic unit of ecological hierarch..

In the nineteenth century scientists saw enough evidence to prove that each element has its distinctive atom. But all tem atoms contain identical electrons. In spite of the fact that electrons carry negative charge, atoms as whole were found to be neutral. This led to ..

Introduction - The word 'resource' means supplying a material generally held in reserve. The common natural resources include energy, air, water, land, minerals, microorganisms plants and animals. For man, the resources are the substances required for his survival and comforts. These substances are..

>. If N atoms were to be considered in silicon crystal, then there will be 2N electrons filling 2N possible energy levels in 3s, 6N possible levels in 3p of which only 2N is completely filled. b) When the spacing is progressively decreased i.e., c<r<d, there is n..

'The rate of organic matter build up or stored by producers in their bodies per unit time and area is called net primary production (NPP)'. \ GPP - Energy lost by respiration and maintenance = NPP The biochemical formula that describes photosynthesis is,..

-II. The electrons are ultimately accepted by the electron carrier NADP. The energy yield from the light reactions is contained in molecules of NADPH and ATP. In the dark reactions, which take place in the stroma, NADPH and ATP produced in the light reactions are used to reduce carbon dioxide to ..

. The excited atoms return to the lower state L from higher state H in two steps. First they return to metastable state M. This transition is non-radioactive and energy of this transition is passed to the crystal lattice as heat. The chromium atoms that returned to M levelh..

Cells of onion peelMulticellular lifeform All living organisms, whether plants or animals, are made up of microscopic units called cells. The cell occupies the same central position in biology as the atom in the physical sciences. All living beings, plants and animals, star..