Explain why the plants cortex would serve as the best food source for animals

Aresearcher has developed two stains for use with seed plants. one stains sporophyte tissue blue; the other stains gametophyte tissue red. if the researcher exposes pollen grains to both stains, and then rinses away the excess stain, what should occur? a) the pollen grains will be pure red.b) the pollen grains will be pure blue.c) the pollen grains will have red interiors and blue exteriors.d) the pollen grains will have blue interiors and red exteriors.

Awave has a wavelength of 15 mm and a frequency of 6 hertz. what is its speed?

Which enzymes break down carbohydrates?