
Biology 8th Edition by Kenneth Mason ,Jonathan Losos,Susan Singer,Peter Raven,George Johnson
النسخة 8الرقم المعياري الدولي: 978-0077536848
Biology 8th Edition by Kenneth Mason ,Jonathan Losos,Susan Singer,Peter Raven,George Johnson
النسخة 8الرقم المعياري الدولي: 978-0077536848 تمرين 18
Explain how data shown in fi gure 21.2 a and b relate to the conditions identified by you in question 1.
Figure21.2 Evidence that natural selection alters beak shape in the medium ground finch (Geospiza fortis). a. In dry years, when only large, tough seeds are available, the mean beak depth increases. In wet years, when many small seeds are available, mean beak depth decreases. b. Beak depth is inherited from parents to offspring.
Figure21.2 Evidence that natural selection alters beak shape in the medium ground finch (Geospiza fortis). a. In dry years, when only large, tough seeds are available, the mean beak depth increases. In wet years, when many small seeds are available, mean beak depth decreases. b. Beak depth is inherited from parents to offspring.
التوضيح
Peter and Rosemary Grant along with thei...
Biology 8th Edition by Kenneth Mason ,Jonathan Losos,Susan Singer,Peter Raven,George Johnson
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