The trait that would be least useful in a phylogenetic analysis would be one that a) is detectable only in observations of early development. b) involves genetically inherited behaviors. c) is altered easily by small changes in diet. d) can be studied only in museum specimens. e) is heritable but is determined by many genes.
image result for what happens whenever a net force acts on an object
if an object has a net force acting on it, it will accelerate. the object will speed up, slow down or change direction. an unbalanced force (net force) acting on an object changes its speed and/or direction of motion. an unbalanced force is an unopposed force that causes a change in motion.
tubes for transporting food-carrying tubes phloem water-carrying tubes xylem sugar is produced in the leaves. the food-carrying tubes transport this sugar from the leaves to the other parts of the plant. the root hairs found on the roots take in water and mineral salts from the soil.
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