Which of the following accurately describes pollination?                 a.  most angiosperms are pollinated by the wind.      b.  wind-pollinated plants rely on large quantities of pollen grains.      c.  animal-pollinated plants are usually small and not colorful.      d.  parasitic pollinators develop mutualistic relationships with plants. 

The correct answer is option B. Wind-pollinated plants rely on large quantities of pollen grains.

The plants, which pollinate by wind spend less energy in creating attractive structures to attract pollinators, instead they produce many pollen grains, which are light and easy to carry by winds. the pollens are usually dry.

The angiosperm mostly rely on animal pollinator and they have large colorful flowers, which produce nectar to attract the insects or other animals.  

chemical because it warmed up which involves temperature and it bubbled which includes changing

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an active site is a region that is present on an enzyme where the reactants or the substrate molecules we can say bind and experience a chemical reaction. the substrate is basically a reactant whose concentration is changing and that is converting into a product after binding at the active site of an enzyme