PBIO Exam 4 Questions With Complete Solutions

Some conservation efforts to protect endangered plant species from extinction have been successful. correct answer: True Declines in biodiversity are caused by... correct answer: all of these (invasive species over-exploitation agricultural development) With ex situ conservation practices, where are plant species preserved? correct answer: outside their native area Areas with high concentrations of species that are native only to that area (endemic) but where much of the habitat for those species has been lost are called... correct answer: biodiversity hotspots According to your reading, how many plant species are currently threatened with extinction? correct answer: about 1/3 Which of the following is an example of in situ conservation? correct answer: Reintroducing threatened plant populations in their native area Which of the following statements is true of the Endangered Species Act? correct answer: It prohibits actions that threaten the survival of plant and animal species that have been determined to be endangered. Biodiversity hotspots are.. correct answer: areas with many