Cover of the textbook Performer B1, Vol. 2

The key answer of exercise 28

The key to exercise solutions in chapter Workbook 9 - Animals and us for the textbook Performer B1, Vol. 2 with authors Marina Spiazzi, Marina Tavella e Margaret Layton from Zanichelli

Question

Read the text again and answer the questions.

Answer

  1. The list of the most endangered animals includes some animals that you may not even imagine.
  2. The vaquita is a very rare member of the dolphin family discovered in 1958.
  3. The black rhino, the Amur leopard living in Russia, the forest elephant and the Bornean orangutan are considered endangered because there are few left, in some cases fewer than 100 left.
  4. A combination of GPS trackers, disguised cameras that identify individuals' distinctive markings, traces of kills, paw marks and scratches on trees are used by conservationists to count land mammals.
  5. A species with 500 animals left could be considered more endangered than one with only 300 left if that species is only linked to one area and has a long reproductive cycle.
  6. In a tropical rainforest, there will be more species that don't exist anywhere else.
  7. If something happens to a single river system, a whole species can be immediately destroyed, regardless of how big that population was before.

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