Prey vs Predator…

This entry is part 1 of 3 in the series Ecology

One of the driving forces behind natural selection (evolution) is the competition between predators (hunters) and prey (their food). This applies to plants and animals as well as between carnivores and herbivores. Plants have developed some ingenious ways to protect themselves. Acacia trees limit grazing from giraffes in three ways… Chilli peppers have their heat …
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Plant Nutrients Part 2½…

This entry is part 4 of 5 in the series Plant Nutrients

Farmers work hard to ensure that there are sufficient nutrients in their soil for crops and plants to grow successfully. They may do this by adding an NPK fertiliser. This stands for nitrogen, phosphorous and potassium. The fertiliser is graded according to the proportions of the three elements by mass in the fertiliser. A popular …
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