According to Charles Darwin's theory of natural selection, preferable genes are favored by nature in the gene pool, and ..
A typical eukaryotic cell is comprised of cytoplasm with different organelles, such as nucleus, endoplasmic reticulum, G..
Following nine months inside the mother's womb is the birth of the baby. Know the different stages of the birthing proce..
Plants, like animals, produce hormones to regulate plant activities, including growth. They need these hormones to respo..
This lesson is about the methods used for ecological research, such as quadrat and transect sampling, canopy fogging, an..
This tutorial elaborates on the effect of light on plant growth. It describes how different plants require different amo..
