Stem sections of some trees
Write down the main plant tissues which form rings observed on the stem sections of some trees?
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The rings observed on the stem cross section of the dicot trees are made of conductive tissues: phloem and xylem.
Specify the difference between the cross pollination and self pollination? Out of these two modes of the pollination which contributes more towards the plant diversity?
What do you mean by diffusion?
How dissimilar are the respiration in fishes and the respiration in adult amphibians?
Write down the disease caused by vitamin D deficiency? Which tissue does it influence?
What is known by the second polar body?
Briefly describe the term Nuclear energy?
Name cells with a delimited nucleus? Describe the major elements of the nucleus?
Describe peristaltic movements? Describe their role in the human digestion?
Regarding permeability what kind of membrane is the cell membrane? Answer: The cell membrane is a chosen permeable membrane, that is, it permits the passage of water
Explain the major causes of loss of the biological diversity nowadays.
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