N the following diagram of the energy flow in an ecosystem, what does symbol 1 represent?

A.

heat

B.

sunlight

C.

consumers

D.

glucose

B if your on plato

B

Explanation

It is sunlight because producers need sunlight to grow. For example, an apple tree is a producer. It uses the sunlight to grow and create the fruit. The fruit is then consumed by a consumer (number 2 on the diagram).