Read the passage and fill in the gaps with the given words. predators, ornaments, endangered, tusks, earth, species, nature, fashionable, statuettes, extinct, palaces, strong, fur, ivory 1) __ "species"is another word for kinds of plants and animals."" means they are in danger of becoming extinct."" means that a species no longer exists . for example, we can say that dinosaurs are . 2) millions of years, since people began to live on the they have used animal furs* to keep warm. today women pay a lot of money for expensive coats, as they want to be . another example is the elephant. many centuires ago, people discovered that they could use the of elephant . tusks are used for making teeth, , bracelets and other even for decorating the walls . 3) thirty years ago the bald eagle was a disappearing species. it was an endangered . then people stopped killing and began protecting it. 4) and animals are important on our planet . if any plant or animal disappears , this will disturb everything else-other species will also disappear . , which kill and eat other animals which are weak . so , only healthy and kill those animals which are weak . so , only healthy and animals keep living . in this way nature selects healthy individuals to continue the life of the species . this is called "natural selection" .

liyaleonteva147котик    2   14.07.2019 04:40    0