How is 'stratification' represented in a forest ecosystem?
Stratification is the vertical distribution of different species occupying different levels. Stratification in the forest is represented by
i) Trees occupying the top layer
ii) Shrubs occupy the second layer.
iii) Herbs and grasses the bottom most layers.
Why do algae and fungi shift to sexual mode of reproduction just before the onset of adverse conditions?
How does the gene 'I' control ABO blood groups in humans? Write the effect the gene has on the structure of red blood cells.
Identify 'a' and 'b' in the figure given below representing proportionate number of major vertebrate taxa.
Name any two types of cells that act as 'cellular barriers' to provide innate immunity in humans.
What are 'true breeding lines' that are used to study inheritance pattern of traits in plants?
