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.
Explain the common contraindications of contraceptive pills?
Write down the target organs of hormones?
Specify the role of flagellum of the sperm cell? How is it generated?
Describe the major biological functions of water?
Evolutionarily protochordates can be intermediate animals between the invertebrates and vertebrates. Consider the scientist is testing hypothesis, which states that vertebrates are evolved from echinoderms. Being research objects a newly evolved protochordate species,
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Traits Approach It is a traditional approach to the theory of leadership. According to this theory, it is though that a leader has specific trait of mind and intelli
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