In 1859, two dozen rabbits were introduced to Australia. By 1953, there were an estimated one billion rabbits in Australia. The addition of the rabbits to this established ecosystem caused many problems, including a huge decrease in native plants. This left little food for native animals. Evaluate the effects of the introduction of the rabbits on the ecosystem. A) The genetic diversity improves an established ecosystem. B) The importation of genetic variation leads to the formation of a new species. C) The introduction of non-native species, with no known predators, upsets a balanced system. D) Changing in one part of an ecosystem does not affect other parts of the ecosystem
Answers: 2
Biology, 21.06.2019 20:00
Microorganisms are involved in each of the following processes excepta. smog production.b. food production.c. infection.d. o2 production.e. decomposition of organic material.
Answers: 1
Biology, 22.06.2019 03:00
Which set of characteristics best describes sedimentary rock? a) largest type of rock, made of organic matter, hardest type of rock b) often contains layers, forms near sources of water, contains fossils c) least abundant type of rock, made of other rocks, made mostly of minerals d) most abundant type in earth's crust, made of magma/lava, contains no fossils
Answers: 2
Biology, 22.06.2019 03:00
Question#29: why does the tropical ocean have a greater temperature range than the temperate ocean?
Answers: 3
In 1859, two dozen rabbits were introduced to Australia. By 1953, there were an estimated one billio...
English, 22.07.2021 02:10
Engineering, 22.07.2021 02:10
Mathematics, 22.07.2021 02:10
Mathematics, 22.07.2021 02:10
Mathematics, 22.07.2021 02:10
History, 22.07.2021 02:10