This tutorial looks at the adaptations of freshwater plants for them to thrive in still water habitats. Familiarize your..
Apart from vitamins, the human body also requires high energy sources such as carbohydrates and fats. If you want an ove..
The water cycle (also referred to as the hydrological cycle) is a system of continuous transfer of water from the air, s..
This lesson explores the impact of biosecurity threats, and why they need to be identified and managed. Examples to incl..
This tutorial deals with the abiotic factors of the freshwater environment that determine what sort of life would be sui..
Ferns and their relatives are vascular plants, meaning they have xylem and phloem tissues. Because of the presence of va..