In plants, which of the following are produced by meiosis?
  • produces sporesThe diploid generation of the plant life cycle always produces spores.
  • diploid sporophyteIn ferns, while the gametophyte generation is independent, the diploid sporophyte is much larger.
  • Plant gametophytes are haploid multicellular bodies.
  • haploid spores
In seedless plants, a fertilized egg will develop into __________.
  • a sporophyteThe fertilized egg will develop into a sporophyte that releases haploid spores.
  • sporophyteThe diploid sporophyte generation is dominant in vascular plants; in bryophytes the haploid gametophyte generation is dominant.
  • charophytesThese green algae and plants share many homologous features.
  • chloroplastsBoth algae and seed plants have cells with chloroplasts.
In mosses gametes are produced by _____; in ferns gametes are produced by _____.
  • chloroplastsBoth algae and seed plants have cells with chloroplasts.
  • mitosis ... mitosisIn both, gametes are produced by haploid gametophytes.
  • a sporophyteThe fertilized egg will develop into a sporophyte that releases haploid spores.
  • charophytesThese green algae and plants share many homologous features.
A botanist discovers a new species of plant in a tropical rain forest. Investigation of its anatomy and life cycle shows the following characteristics: flagellated sperm, xylem with tracheids, separate gametophyte, and sporophyte generations with the sporophyte dominant, and no seeds. This plant is probably most closely related to ________.
  • sporophyteThe diploid sporophyte generation is dominant in vascular plants; in bryophytes the haploid gametophyte generation is dominant.
  • the presence of chloroplasts
  • ferns
  • haploid spores
Which of the following statements is accurate with regard to the life cycle of mosses?
  • Antheridia and archegonia are produced by gametophytes.
  • chloroplastsBoth algae and seed plants have cells with chloroplasts.
  • Plant gametophytes are haploid multicellular bodies.
  • the presence of chloroplasts
What is a characteristic shared by algae and seed plants?
  • chloroplastsBoth algae and seed plants have cells with chloroplasts.
  • Plant gametophytes are haploid multicellular bodies.
  • a sporophyteThe fertilized egg will develop into a sporophyte that releases haploid spores.
  • charophytesThese green algae and plants share many homologous features.
What evolutionary development allowed plants to grow tall?
  • chloroplastsBoth algae and seed plants have cells with chloroplasts.
  • on the underside of the gametophyteHaploid antheridia in ferns develop on the underside of mature haploid gametophytes.
  • lignified vascular tissueThe polymer lignin strengthens the xylem and phloem, giving the plant more support and allowing it to grow taller.
  • diploid sporophyteIn ferns, while the gametophyte generation is independent, the diploid sporophyte is much larger.
Seedless plants include _____.
  • a sporophyteThe fertilized egg will develop into a sporophyte that releases haploid spores.
  • on the underside of the gametophyteHaploid antheridia in ferns develop on the underside of mature haploid gametophytes.
  • bryophytes, lycophytes, ferns, whisk ferns, and horsetailsSeedless plants include nonvascular plants, such as mosses, liverworts, and hornworts, and vascular plants, such as lycophytes, ferns, horsetails, and whisk ferns.
  • charophytesThese green algae and plants share many homologous features.
The conspicuous part of a fern plant is a _____.
  • diploid sporophyteIn ferns, while the gametophyte generation is independent, the diploid sporophyte is much larger.
  • lignified vascular tissueThe polymer lignin strengthens the xylem and phloem, giving the plant more support and allowing it to grow taller.
  • produces sporesThe diploid generation of the plant life cycle always produces spores.
  • charophytesThese green algae and plants share many homologous features.
The diploid generation of the plant life cycle always _____.
  • produces sporesThe diploid generation of the plant life cycle always produces spores.
  • a sporophyteThe fertilized egg will develop into a sporophyte that releases haploid spores.
  • diploid sporophyteIn ferns, while the gametophyte generation is independent, the diploid sporophyte is much larger.
  • charophytesThese green algae and plants share many homologous features.
Most bryophytes, such as mosses, differ from all other plants in that they _____.
  • lignified vascular tissueThe polymer lignin strengthens the xylem and phloem, giving the plant more support and allowing it to grow taller.
  • sporophyteThe diploid sporophyte generation is dominant in vascular plants; in bryophytes the haploid gametophyte generation is dominant.
  • a sporophyteThe fertilized egg will develop into a sporophyte that releases haploid spores.
  • lack true leaves and rootsThe bryophytes generally lack true leaves and roots, which all other plants have.
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