6,000 5,000 4,000 3,000 2,000 Projected decline 1,000 o l le l l l ul l l l l l 1960 1970 1980 1990 2000 2010 2020 2030 2040 2050 2060 2070 2080 2090 2100 Year Breeding pairs
Biogeography
The study of plants, animals, and other living things in terms of their geographic distribution is referred to as biogeography. Biogeography is usually examined in coexistence with ecological and historical variables that have affected organisms' spatial distribution across time. It is not only based on the habitation patterns; it is also about the reasons that cause differences in distribution. Biogeographic studies divide the Earth's surface into diverse flora and fauna compositions, notably the continents and islands. Biogeography is a field of science, but physical geographers have made vital commitments, especially in flora. Biogeography is a multidisciplinary field of study that combines concepts and data from ecology, evolutionary biology, taxonomy, geology, physical geography, paleontology, and climatology.
Types of Climate
The weather pattern in a long-term process in a locality, region, or even over the entire globe is known as climate. Generally, it is decided by calculating an average of thirty years' weather in a region. In that sense, the weather and climate are different.
Biome
It is defined as a definite community of animals and plants residing together in a climate. Each (plants and animals) having a characteristic appearance and distributed over a wide geographical area defined largely by regional climatic conditions.
The graph below shows changes in the size of an Emperor
penguin population in terms of numbers of breeding pairs
on the island of Terre Adelie in the Antarctic. Scientists
used these data along with data on the penguins’ shrinking ice habitat to project a general decline in the island’s
Emperor penguin population, to the point where they
will be endangered in 2100. Use the graph to answer the
questions on the right.
What was the overall percentage decline in the
penguin population from 1975 to 2010?
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