Punctate

punctate (Science: dermatology) Marked with dots...

This tutorial looks at sex determination via the sex chromosomes, X and Y. Read it to get more info on X and Y chromosom..

Freshwater ecosystem is comprised of four major constituents, namely elements and compounds, plants, consumers, and deco..

This tutorial elaborates on the effect of light on plant growth. It describes how different plants require different amo..

Nutrients in the soil are essential to the proper growth of a land plant. This tutorial deals with the properties of soi..

This tutorial looks at the relationship between organisms. It also explores how energy is passed on in the food chain an..

The nucleus containing the genetic material, DNA, and the mitochondria, well-identified as the "powerhouse of the cell",..

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