African elephants convert wooded savanna to open grassland by toppling trees as they search. In evolutionary terms, changes like these introduced about by living things, including ecosystem engineers, have been sluggish and incremental. Ecosystem engineers as well as their results have lengthy been Element of evolving ecological programs. What is https://cost-effective-improvemen45666.blogrelation.com/38064653/the-definitive-guide-to-environmental-impact