Living Environment Regents January 2008 Question 69
Wednesday, 22 April 2009 08:15
Option 2 – These organisms have all evolved from an ancestor that produced Cytochrome c
There is no reference to reproduction or gene mutation specific association of cytochrome c with heterotrops in the table, hence option 1, 3 and 4 are incorrect.
Living Environment Regents January 2008 Question 67
Wednesday, 22 April 2009 08:11
Option 3 – Base sequences of DNA
Shape of leaves and habitats of plants species are influenced by external factors.
Guard cells present on the undersurface of the leaves, only help in gas exchange and water loss but are not useful for determining the relationship between plant species.
Living Environment Regents January 2008 Question 66
Wednesday, 22 April 2009 08:08
Option 3 – Birds with successful beak adaptations obtained food and survived to have offspring There is no information about the color of the beak or dominance of birds with large beaks or changes in beak shapes for availing food in the above example.
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