Hot answers tagged plant-anatomy
Peach, apricot, plum, pear, apple, cherry trees are plants of the same family, Rosaceae, so they are closely related. They share many more aspects than the five petals. In fact, other plants in this family, and even many other dicots have five petal, simply because their share a common ancestry.
Yes it is possible, and as far as I can see, there should not be any plant which would be impossible to grow in a such an environment, just more or less difficult, although this is just my speculation. I have myself grown tomatoes from only a liquid solution of minerals and nutrients, but you have to change the solution from time to time to prevent ...
The vascular system is different in monocots and dicots. In dicots the vascular tissues are arranged in concentric circles; one of these rings is meristematic cells (undifferentiated cells that can differentiate into any cell type). This ring of meristem tissue is called the vascular cambium and is where secondary growth occurs - xylem grows inwards and ...
The roots do actually continue to hold soil without being alie. The stabilizing properties are structural in nature. You begin to lose those though as the roots decompose, and the important roots against erosion, millions of fine root hairs, will go first. But leaving the roots in on a dead tree will help for a bit, but isn't a long term solution.
Looking through some papers it is not clear to me that botanists actually know why this should be the case, and I am sure that you are more qualified than me to comment on this Richard! However, there's some discussion of this in Zhang et al. (2012). These authors argue that the "exudate from curcubits is copious" because of physiological adaptations due to ...
PART 1 : Phototropism The movement of plant shoot towards light is called phototropism. This process is mainly stimulated by the blue light. The photoreceptor involved is called Phot1 (Phototropin 1) or JK244. Auxins such as IAA (indole acetic acid) are plant hormones, expressed highly in meristem, which cause shoot growth. On illumination this ...
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