The Marula TreeA South African tree commonly known as the Marula Tree (Sclerocarya birrea). Popularly supposed to supply many African animals with the means to get drunk.
yes
That's simple it is found in South Africa, Botswana and Namibia
they reduce it
Marula
worms
the removal of any pests can affect the food web because another animal eats that pest and if it is removed that animals is going to die shortly.
This contains 10 most common pepper pests/diseases http://www.organicgardening.com/learn-and-grow/how-handle-top-10-most-common-pepper-pests-and-diseases?page=0,1
they do this by spreading diseases and germs to to things and people
A koala on a eucalyptus tree does not affect the oxygen.
Tree squirrels make their nests in trees and there are about 122 different species of tree squirrel. The tree squirrel can live in either urban or rural environments. They are inquisitive and cute animals but they can become pests.
The scientific name would be Sclerocarya birrea.