Answer the following question given this paragraph: 

Almost all plants make food by photosynthesis. Only about 1 percent of the estimated 300,000 species of plants have lost the ability to photosynthesize. These other species are consumers, many of them predators. How do plants prey on other organisms? The Venus fly trap in Figure below shows one way this occurs.


Q: What is the process by which almost all plants make food?

 Choices:

- reactions

- digestion

- melting

- photosynthesis

A:
photosynthesis
