Biology 9700 · AS & A Level · Conservation

Conservation — practice question

Fig. 1.1 depicts a snow leopard, Panthera uncia. Snow leopards inhabit the high mountains of Central Asia. They generally live and hunt on their own. Their chief prey consists of grazing herbivores, including wild sheep and wild goats. They also prey on domesticated animals and livestock. The snow leopard population has fallen very sharply over the past 40 years.
(a(i))[3]

Predict the effects on the ecosystem if the number of snow leopards keeps falling.

(a(ii))[1]

In 2003, the total number of snow leopards was estimated to be between 4080 and 6590. Suggest one reason why the actual number of snow leopards in 2003 may have been higher than the estimated number.

(b)[3]

The Convention on International Trade in Endangered Species of Wild Fauna and Flora (CITES) is an agreement among the governments of most countries. The snow leopard is endangered and is included on this agreement. Describe the measures taken by participating governments that help to conserve endangered animals, such as the snow leopard.

(c)[2]

State how a decrease in the number of snow leopards will affect the genetic diversity of the species. Outline the possible future consequences of this change in genetic diversity.

(d)[2]

In 1775 the snow leopard was classified as the only species in the genus Uncia and was known as Uncia uncia. More recently, new techniques showed similarities to the tiger, Panthera tigris, and so in 2006 the snow leopard was reclassified in the genus Panthera. Suggest the type of evidence used to classify the snow leopard in 1775.

Worked solution & mark scheme

This 11-mark question has a full step-by-step worked solution and mark scheme. One marking point: Numbers of prey/herbivores (e.g. sheep/goats) would rise

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