Fact 1: Phytoplankton are bacteria and algae that use sunlight to make food. Fact 2: Most copepods feed on phytoplankton. Given the two facts above, what happens to bacteria and algae that use sunlight to make food?

Options: 1). Transfers energy 2). food poisoning 3). production of energy 4). they form a bomb 5). it helps plants in growing 6). they die 7). copepods feed on them 8). competing for resources
The answer is:
7).