Scientists believe green algae to be the ancestors of land plants. the classification division separating algae from the kingdom plantae began with fossil evidence. to be successful land plants require certain modifications. this early devonian land plant had both vasular tissue and, as seen here, a) roots. b) spores. c) seed pods. d) chlorophyll.

1. in a certain species of plant, the color purple (p) is dominant to the color white (p). according the punnett square, what is the probability of and offspring being white? 50%25%0%100% 2. in a certain species of plant, the color purple (p) is dominant to the color white (p). according the punnett square, what is the probability of and offspring being white? 0%100%50%25%(picture 1 is for question 1, and picture 2 is for question 2)