Evidence of Immigration Status You must provide a current unexpired document issued to you by the Department of Homeland Security (DHS) showing your immigration status, such as Form I-551, I-94, or I-766.eplacement Social Security Card To apply for a replacement card, you must provide one document to prove your identity. If you were born outside the U.S., you must also provide documents to prove your U.S. citizenship or current, lawful, work-authorized status. See page 2 for an explanation of acceptable documents.
Environmental Science. Definition. noun. The branch of science that deals with the physical, chemical and biological components of the environment and their effects on organisms. Supplement. Environmental science is often used as a synonym for ecology.
Conservation biology is the scientific study of nature and of Earth 's biodiversity with the aim of protecting species, their habitats, and ecosystems from excessive rates of extinction and the erosion of biotic interactions.nother highlight that links conservation biology to insects, forests, and climate change is the mountain pine beetle (Dendroctonus ponderosae) epidemic of British Columbia, Canada, which has infested 470,000 km 2 (180,000 sq mi) of forested land since 1999.