How are a seed plants gametophytes adaptations for living on land?

Answer 1

1. The waxy cuticle prevents water loss by forming a watertight seal around the plant
2. Pollen and pollination allows the plants to transfer sperm
3. They got a diploid genome
4. Xylem and phloem help transport water and nutrients
5. Roots absorb water
6. Leaves provide a photosynthetic surface
7. Roots, stems, and lignin provide mechanical support
8. Seeds, flowers, fruits, and cones allow for the dispersal of offspring

Answer 2

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This is according to Essentials of The Living World (Third Edition) which is published by McGraw Hill with a copyright date of 2010.

"The advent of seeds had an enormous influence on the evolution of plants. Seeds are particularly adapted to life on land in at least four respects:

1) Dispersal. Most important, seeds facilitate the migration and dispersal of plant offspring into new habitats.

2) Dormancy. Seeds permit plants to postpone development when conditions are unfavorable, as during a drought, keeping the embryonic plant protected until conditions improve.

3) Germination. By making the reinitiation of development dependant upon environmental factors such as temperature, seeds permit the course of embryonic development to be synchronized with critical aspects of the plant's habitat, such as the season of the year.

4) Nourishment. Seeds offer a young plant nourishment during the critical period just after germination when the seedling must establish itself.

Answer 3

Plants, especially flowering plants (angionsperms), contains seeds as an adaptation to life on land. This is because seeds are embedded in fruit. When animals eat the fruit, they disperse the seeds in their stool because they cannot completely digest the seeds.