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Of the following, which is the most current description of a gene? A) a unit of heredity that causes formation of a phenotypic characteristic B) a DNA subunit that codes for a single complete protein C) a DNA sequence that is expressed to form a functional product: either RNA or polypeptide D) a DNA—RNA sequence combination that results in an enzymatic product E) a discrete unit of hereditary information that consists of a sequence of amino acids    

Bibliography: https://www.oddizzi.com/teachers/explore-theworld/physical-features/mountains/mountain-climate/ 

3.4 The air is much thinner higher in the mountains, so humans find it harder to: (1)

QUESTION 2 (Essay Question) Look at the diagram and answer the questions that follow. Click on the blue button to open the image in a new window.

1.1 What are the two things that make climates on mountains different from deserts? (2)

2.1 What is rain shadow? (2)

3.1 The higher the mountain, the ….it is at the  top. (1)

3.2 Higher up in the mountain, …….and ….are fewer. (1)

1.4 Describe how the climate of low-lying areas are different to mountain climates. (4)       

3.3 The ground is ….so very few plants have adapted to grow (1)