ANSWER:
The answer is GRASSHOPPER
EXPLANATION:
Organisms feed on one another to obtain energy needed for metabolic activities. Food web is one of the ways by which the relationship between these organisms that feed on one another is displayed.
Energy flow starts from a PRODUCER, which is the plant in this food web. An organism (usually an herbivore) that feeds on the producer is referred to as PRIMARY CONSUMER. All consumers are incapable of synthesizing their own food, hence, they depend on other organisms. However, primary consumers directly depend on producers.
In the food web attached to this question as an image, the PRIMARY CONSUMER is the GRASSHOPPER because it directly feeds on the PRODUCER (plant).
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