Question

Some seeds have hooks and spine on them.Why

Answer 1

Some seeds have hooks and spine on them because it helps in dispersal of seeds & Travel distance one place to another.

Answer 2

Some seeds have hooks and spines on them so that they can be dispersed to long distances.

EXPLANATION:

Hooks and spines help the seeds to attach themselves to the furs or coats of animals and then travel long distances. This helps the seeds to be dispersed far and wide where they may sometimes find the right weather and conditions to germinate. In some cases, the seed may not be able to germinate due to environmental conditions.