Population & Wildlife Post test
11 billion - ANS-According to United Nations predictions, what will be the total population of the
world by 2100?
apparent competition - ANS-Claire, an ecologist, is finding it difficult to identify an interaction in
nature because of changing environmental conditions and the complex indirect interactions of
multiple species. Which interaction is Claire trying to find in nature?
applying pesticides - ANS-Which of these is included under land use?
assisted reproduction; in-situ - ANS-Only 200 Greater Bamboo Lemur exist currently. Scientists
use artificial insemination to broaden the gene pool of this endangered species. This procedure
is carried out in the natural habitats of this species. Which type of species conservation method
is being used?
___________ method is used to broaden the gene pool of the lemurs. As this procedure is
carried out in the natural habitats of these species, it is known as ________ conservation.
better medical facilities and treatments - ANS-The death rates in the United States decreased
more than 40 percent from 1930 to 2015. Which factor could have contributed to this decrease?
breeding - ANS-Which activity doesn't imply poaching of wildlife?
captive breeding - ANS-Which method involves breeding animals in a controlled environment?
cougars - ANS-Match the threat to the correct wildlife species: threat to livestock
density-dependent factor - ANS-Overcrowding is an example of
establishing wildlife management areas - ANS-Biologists want to increase the number of
animals in a population. They suggest that if a minimum number of animals are protected, they
will help prevent the extinction of a species. Which method will help the biologists' idea?
extinct in the wild - ANS-The black softshell turtle was a species found in the freshwaters of
India. This species can now survive only in a manmade pond. According to the Red List of
Threatened Species, the black softshell turtle will be classified under which level?
Habitats - ANS-What are the regions in the environment that provide basic needs, such as food,
shelter, mates for reproduction, and protection, for survival of living organisms?
increase; an increase in food insecurity - ANS-In a certain region, children are considered
economic benefits. A rising trend in the fertility levels of the region is observed. Last year the
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