The transplanting of fruit trees is a more time consuming operation, particularly if…
The term cover crop is widely used in West Africa to describe the crops which are es…
DIFFUSION Diffusion is the net movement of anything (for example, atoms, ions, mo…
THE Earth is populated by enormous numbers of different plants and animals. When…
Food and drink may become contaminated by bacteria in a variety of ways. If the fae…
Bacteria are very small organisms consisting of single cells, rarely more than 0-0…
In most animals, the characteristics by which we know they are alive are self-eviden…
The fungi are included in the plant kingdom but in many ways they are quite differ…
The inter-relationships between living organisms have been described in general term…
All animals derive their food either directly or indirectly from plants. Carnivorous a…