Which of these creatures are annelids? a gastropods b earthworms c planarians d sponges

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

In meiosis ii during anaphase ii which structures separated homologous chromosomes or sister chromatids

For mendels studies, why was it important that his subjects, pea plants, could reproduce quickly and and produce many offspring?