Sentence completion

Priya became involved after reading about a ________ that had disappeared from her county.

To clean very light seeds, the volunteers use a modified ________.

After drying, seeds are sealed in ________ before being frozen.

The seeds are stored at a temperature of ________.

When testing stored seeds, the team tries to germinate them on ________.

A batch must be replaced if fewer than ________ of the test sample sprout.

Priya knows seeds are ready to collect when the seed heads turn ________.

Priya's colleagues describe the work as 'gardening for ________'.