This tutorial elaborates on the physical development of humans, particularly from puberty to adulthood. Read this tutori..
Plant cells have plastids essential in photosynthesis. They also have an additional layer called cell wall on their cell..
Homeostasis is essential to maintain conditions within the tolerable limits. Otherwise, the body will fail to function p..
Dinosaurs represented a major turn in the evolutionary development of organisms on Earth. The first dinosaurs were presu..
Humans are capable of only one mode of reproduction, i.e. sexual reproduction. Haploid sex cells (gametes) are produced ..
Plants in lentic habitats have features not found in terrestrial plants. They acquired these features as they adapt to t..