Extinction About The Steller's Sea Cow
The reading and the listening both discuss about the distinction about the Steller’s sea cow which a huge marine mammal lived in the waters around Bering Island off the coast of Siberia in 1768. The reading supports there probobal theories. However, the listening disputes all the reading’s opinion.
First, the reading thinks that because the sea cows are the good source of food, the overhunting by the native people cause the number of the sea cows was declined, while the listening rejects it by saying that the sea cows are so massive that 9 meter long and weigh 10 tons. A couple of a sea cow can be ate one month. The native people are not large enough, they needn’t to hunt too much of them.
Second, the reading claims the fact that the sea cows’
First, the reading thinks that because the sea cows are the good source of food, the overhunting by the native people cause the number of the sea cows was declined, while the listening rejects it by saying that the sea cows are so massive that 9 meter long and weigh 10 tons. A couple of a sea cow can be ate one month. The native people are not large enough, they needn’t to hunt too much of them.
Second, the reading claims the fact that the sea cows’