How does a chemical equation support the law of conservation of matter?

What feature of cell theory is best demonstrated in the image

Suppose you have monohybrid pea plants in your garden and find that they produce round seed to wrinkled seeds in the ratio of 3: 1. if the allele are designated (r & r) receptively. what is the probable genotypes of the round seeds which produced f 1 ? rr & rr rr only rr & rr rr only rr only

Contrast how pollination is different among gymnosperms and angiosperms.