Planta verde cresce em tubo de ensaio preenchido com água, entre outros tubos de ensaio - Banco de fotos e imagens

One green plant in test tube filled with water and fixed in a row

Green sprout growing in test tube filled with water among other tubes

Test-tubes with a colorful solution and plant on yellow background close-up

Green plant in one of ten test tubes with water standing on white table

One green sprout in test tube filled with water and fixed in a row

Test tubes filled with clean water with fresh spring green grass on background and new drop from dropper

Test tubes with fresh green grass on green background

Rows of empty test tubes fixed together on the light blue background

Many glass test tubes with liquid and green grass

Test tubes with clean water dropper and fresh spring grass on background

One fresh green sprout itest tube on green background

Close-up of test lab glass tubes equipment