Skip to main content
Biology LibreTexts

21.1: Formative Questions

  • Page ID
    1. When bryophytes evolved on land, they didn’t have to compete with other plants. What were the major selective pressures for the bryophytes?
    2. If seedless vascular plants evolved after bryophytes began to colonize terrestrial surfaces, this would indicate a new major selective pressure: competition. What features might enable a fern to outcompete a moss?

    Contributors and Attributions

    • Was this article helpful?