Filiform

Filiform Thread-like...

It only takes one biological cell to create an organism. A single cell is able to keep itself functional through its 'mi..

With regard to the population size of a species and what factors may affect them, two factors have been defined. They ar..

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

Ferns and their relatives are vascular plants, meaning they have xylem and phloem tissues. Because of the presence of va..

This tutorial investigates the genetic diversity in more detail. It also delineates how certain alleles are favored over..

Different pregnancy and birth control and contraception strategies are described. Read this tutorial to learn each of th..

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