Chapter+4+Questions


 * Chapter 4: Biodiversity and Evolution**

1. T here are aspects of the industrial processes causing pollution and loss of biodiversity, which are avoidable, but, were allowed to thrive due to environmental negligence, disrespect for biodiversity and lack of political will.

2. A team led by paleontologist Paul Sereno of the University of Chicago discovered a new species of pterosaur with a 5 meter wingspan. The 110 million year old fossils include most of one wing and several slender teeth from its over sized jaw. The fossils were found in Cretaceous age rocks that were deposited by ancient rivers. The team also found bones of the 10-meter-long, sail-backed fish-eater Suchomimus and the enormous crocodile Sarcosuchus.

3. The tropical and sunny climates and the Solar Ultraviolet Radiation.

4. A bout 484 plants in 112 families are threatened with extinction. Many animals and birds are also threatened with extinction. 25 out of 274 mammals, 10 out of 831 birds, and 2 out of 114 reptiles known to exist in Niger are endangered. More attention is directed towards human life than animal's.

5. Indicator- //Becium homblei// Specialist- Palm trees Nonnative- Deers