Types of seeds

This task is about seed dispersal.
There are several different types of seeds which may be spread in various ways: 
  • Indigestible seeds.
  • Seeds with hooks.
  • Seeds which float on water.
  • Winged or tufted seeds.
  • Seeds which explode out of their pods.
Select which type of seed is most probably spread in the following questions.
 

Question

Rabbits spread these seeds on high-country sheep farms.

    • Indigestible seeds.

    • Seeds with hooks.

    • Seeds which float on water.

    • Winged or tufted seeds.

    • Seeds which explode out of their pods.

Question

One coconut palm is found growing on the beach of a tiny island hundreds of kilometres from the nearest land.

    • Indigestible seeds.

    • Seeds with hooks.

    • Seeds which float on water.

    • Winged or tufted seeds.

    • Seeds which explode out of their pods.

Question

Birds often help in the spread of blackberry.

    • Indigestible seeds.

    • Seeds with hooks.

    • Seeds which float on water.

    • Winged or tufted seeds.

    • Seeds which explode out of their pods.

Question

Over several years the owner of a cottage in deserted sand dunes notices the spread of lupins around what once was a single plant.

    • Indigestible seeds.

    • Seeds with hooks.

    • Seeds which float on water.

    • Winged or tufted seeds.

    • Seeds which explode out of their pods.