Sweet or foul-smelling nectar in the pitcher attracts insects, especially ants and flies, that lose their grip on the slick sides and fall into the liquid. Like plants, which can emit poison through their flowers, many animals have poisonous skin.
This helps the insects carry everything from small fruits to leaves for food. In the rainforest, however, trees have evolved to grow to immense heights. According to Blue Planet Biomes, research indicates that almost half of all life on Earth resides in rainforests located in South America, Africa and Asia.
He earned a Bachelor of Arts in political science from the University of Massachusetts. Many lianas start life in the rainforest canopy and send roots down to the ground. However, the human race has benefited from the toxic chemicals in the rainforest flowers, usually by harnessing the toxins and manufacturing vaccines and medicines against rare diseases.
As a way to avoid confrontation, many poisonous animals have vibrant colored skin as a way to warn other animals. This general tall height means that most of the trees have little to no branches the closer you get to the forest floor.
For example, many birds in the rainforest have strong, large beaks that can crush the extra thick shells of nuts; the most popular example of this is the toucan.