The first zoos kept (54)ответ
animals in separate cages or in areas with fences or walls around them. Most of them, however, did not like living alone. They missed the excitement and thrilling life that they had in nature.
Today, zoos try to create an environment that is more natural to the animals and the visitors (55)ответ
watch them. It looks more like real nature (56)ответ
rocks, plants and trees that animals would normally encounter. Instead (57)ответ
being kept in cages, many zoos have large areas (58)ответ
animals can move around freely and do the things that they would also do in the wild.
Many zoos put animals of the same kind into the same areas. For example, lions, tigers and other large cats may be kept together in some exhibits. Animals that live in the same climate or biome, for example grasslands or deserts, may also be grouped together.
(59)ответ
most cases, visitors can observe the animals but not touch them. Some exhibits use glass plates, (60)ответ
keep visitors and animals apart through rivers, pits or other natural barriers.​

JokeHa    1   22.05.2020 15:32    2