What's the difference between tropism in plants and reflex action in animals? (Apart from Tropism refers to growth or turning movement of a plant in attempts to respond to changes in environmental stimulus while reflex action is a involuntary movement made by an organism (animal) in response to a stimulus.)

Describe how a non-resistant staphylococcus aureus bacterium can produce a bacterium that is resistant to methicillin

Which of the following factors would not contribute to allopatric speciation? a) a population becomes geographically isolated from the parent population. b) the separated population is small, and genetic drift occurs. c) the isolated population is exposed to different selection pressures than the ancestral population. d) different mutations begin to distinguish the gene pools of the separated populations. e) gene flow between the two populations is extensive.

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