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How do plants solve the problem of transporting substances throughout their tissues?
In bryophytes the substance transport is completed by diffusion. In tracheophytes (pteridophytes, gymnosperms and angiosperms) there are specialized conductive vessels, the xylem that carries water and mineral salts and the phloem that conduct organic material (sugar).
Plant Physiology - Image Diversity: xylem
List various criteria for optimum health and satisfactory health according to implant quality scale The criteria for Optimum health according to Implant quality scale are: -
A species of trilobite was found in the fossil record. At its first appearance, it is similar to an ancestor species but differs from the ancestor in several key characteristics. I
Define Evolution of virulence? Diseases like cholera emerge as sudden outbreaks, showing marked variation via space and time both in their incidence--the number of individuals
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how temperature acts as limiting factor explain?
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Which of the following is TRUE about the properties of aqueous solutions? Select one: a. A pH change from 5.0 to 6.0 reflects an increase in the hydroxide ion concentration (
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Which of the below is a term for mononuclear, granulocytic white blood cells which produce immunoglobulins? a) Platelets b) Lymphocytes c) Erythrocytes (pron: eh-rith-reh
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