Choose the correct answer: The blue whale IS / WAS the largest animal ever to have existed on Earth.
IS
Choose the correct answer: At the beginning of the 20th century fishermen FISHED / FISH whales.
FISHED
Choose the correct answer: Nowadays blue whales ARE / WERE endangered because of climate change and habitat loss.
ARE
Choose the correct answer: The Mountain gorilla ISN'T / WASN'T a monkey.
ISN'T
Choose the correct answer: The Mountain gorilla IS / WERE an ape because it DON'T/DOESN'T have a tail.
IS / DOESN'T
Choose the correct answer: The Mountain gorilla IS BECOMING / BECAME extinct.
IS BECOMING
Choose the correct answer: Poachers KILLED/ KILL the gorilla to sell their fur.
KILL
Choose the correct answer: The Mountain gorillas ARE / WERE victims of habitat loss.
ARE
Choose the correct answer:
The Dodo bird IS / WAS a large bird that COULDN'T / CAN'T fly.
WAS / COULDN'T
Choose the correct answer: This bird HAS / HAD a huge beak.
HAD
Choose the correct answer: The Dodo only LIVES / LIVED on the islands of Mauritius.
LIVED
Choose the correct answer: When sailors ARRIVED / ARRIVE in the 16th century, they FIND / FOUND that the Dodo was easy to catch.
ARRIVED / FOUND
Choose the correct answer: The Dodo DIDN'T TASTE / DOESN'T TASTE very nice but they were eaten.
DIDN'T TASTE
Choose the correct answer: The dodo's natural habitat WAS DESTROYED / IS DESTROYED after people settled on Mauritius.
WAS DESTROYED
Choose the correct answer: Then when dogs, cats and other animals were introduced, they STARTED / START eating the Dodo eggs.
STARTED
Choose the correct answer: The Aguará Guazú is a mammal that 1) HAD / HAS beautiful long red fur and its name means “big fox” in aboriginal language.
HAS
