Meet the colorful takahē, an extremely rare flightless bird. Find out more about its unique features and why they matte..
This tutorial elaborates on the effect of light on plant growth. It describes how different plants require different amo..
Cell respiration is the process of creating ATP. It is "respiration" because it utilizes oxygen. Know the different stag..
A typical eukaryotic cell is comprised of cytoplasm with different organelles, such as nucleus, endoplasmic reticulum, G..
Mutations can also influence the phenotype of an organism. This tutorial looks at the effects of chromosomal mutations, ..
Plants and animals need elements, such as nitrogen, phosphorus, potassium, and magnesium for proper growth and developme..