The evolution of continuous cell lines from primary cultures occurs due to which reason

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#Question id: 12568

#SCPH06 I Botany

Which of the following would a landscape ecologist consider in designing a nature reserve? 

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#Question id: 12569

#SCPH06 I Botany

Use the information below about quail habitats to answer the following questions. Which of these represents the best quail habitat in terms of fragmentation and edge

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#Question id: 12570

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Extinction is a natural phenomenon. It is estimated that 99% of all species that ever lived are now extinct. Why then do we say that we are now in a biodiversity crisis?

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#Question id: 12571

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Although extinction is a natural process, current extinctions are of concern to environmentalists because

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#Question id: 12572

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Use what you know about ecosystem stability and the information provided in the graph below to answer the following question.

Which community (a-e) would likely be the most biodiverse?

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#Question id: 12573

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Which of the following conditions is the most likely indicator of a population in an extinction vortex?