Which evolutionary adaptations helped plants succeed and spread on land? vascular tissue and seeds
spores and pine cones
small size and small seeds
cotyledons and nonvascular tissue

1. mendel observed that pea plants had traits, such as color, that were either “one or the other,” never something in between. discuss the correlation between mendel’s factors, what they might be, and why pea plant traits come in one form or another—e.g., gray or dark red—rather than blended.