Why can't I date a 50 year old if I'm 16? It's true love

What would happen to the nutrients in an ecosystem if decomposers, such as bacteria, didn’t exist there?

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.

Contrast how pollination is different among gymnosperms and angiosperms.