In the following passage, some words have been deleted. Read the passage carefully and select the most appropriate option to fill in each blank.

Living organisms (1)_________ their own kind through a process called reproduction. Plants also increase in number through the process of reproduction. Different plants reproduce in different ways. Most of the flowering plants produce seeds. Plants produce many seeds. Few of these seeds (2)_________ and germinate into new plants. When a seed gets the (3)_________ amount of air, water, soil and sunlight, it grows into a plant. Fruits have seeds (4)_________ them. When a fruit (5)_________ up, the seeds inside it can be used to grow new plants of the same kind.

Select the most appropriate option to fill in blank number 1.