Plants and animals need elements, such as nitrogen, phosphorus, potassium, and magnesium for proper growth and developme..
A typical eukaryotic cell is comprised of cytoplasm with different organelles, such as nucleus, endoplasmic reticulum, G..
Leaves are the major photosynthetic organ of a plant. Apart from that, they are also crucial to water movement. In this ..
Lentic or still water communities can vary greatly in appearance -- from a small temporary puddle to a large lake. The s..
The kidneys are responsible for the regulation of water and inorganic ions. Read this tutorial to learn about the differ..
The water cycle (also referred to as the hydrological cycle) is a system of continuous transfer of water from the air, s..