Balance in nature
The
awe (1)
truth is that many species are in danger of becoming extinction
(2)
unless wildlife conserve
(3) societies
are supported by all of us. We must not miss the opportunity to help
animals which need
protect (4)
and we have to pay attend
(5)
to the species which are danger
(6).
National parks, reserves, being established throughout the world, as well as convention (7) zoos, provide us an experience of seeing wild animals at close quarters. This helps to persuasion (8) all of us that wildlife needs as much help as we can give them. On the other hand, there is a number of species whose aggression (9) spread around the world can result in severe economic and environmental problems, thus upsetting the natural balance and biological diverse (10). The tasks of biologists is to identity (11) such species and to take the necessary prevent (12) measures.
2. Образуйте соответствующее однокоренное слово.
Hunting
I
n
the beginning, humans hunted because they had to. Until the introduce
(1)
of farming methods, animals had to be tracked down and killed in the
wild. A success
(2)
hunting trip would sure
(3)
that the hunters’ families did not die of starve
(4)
for another few weeks.
Nowadays, however, hunting has nothing to do with survive (5). Fresh meat is easily obtain (6) from shops. What is more, people frequent (7) hunt animals which they cannot even eat. So why do they do it? For some, hunting is a profit (8) business. But for others, the only explain (9) seems to be that they take some kind of pleasure in cruel (10).
Many people have guilty conscious (11) realizing that our gaming and hunting passion have contributed to the extinction of number (12) species. As for history (13) species, many paleontologists have been trying, though success (14), to explain the enigma (15) disappearance of such species as mammoths and dinosaurs.
3. Образуйте соответствующее однокоренное слово.
Nature’s last resorts
In Darwin’s time there were very many nature (1) predators, and a balance of differ (2) species existed. Wild birds showed so little fear that the first men could approach them without making them fly off. The biggest dangerous (3) was that once upon a time an occasion (4) fire broke out, which actually helped control the animal popular (5). However, early visitors proved to be
welcome (6) guests: they introduced rats, cats and dogs that grew in number and hunted iguanas and ate tortoise eggs. These create (7) having remained in evolutionary preserve (8) of million years ended up in danger of extinction and were lost in hundreds.
Fortune (9), radical measures were taken to ban uncontrollable hunting and locals started to destroy as many of these invade (10) as necessary, though wild cats and rats turned out difficult to find. In the recent years, a new threaten (11) has appeared in the form of tourism. Despite the best efforts of the Ecuador government, the tide of tourists seems resist (12), and may again upset the fine balance of nature on the population (13) islands.
4. Образуйте соответствующее однокоренное слово.