Question

this diagram shows a food chain from a desert ecosystem in arizona. the arrows show how the matter eaten by organisms moves through the food chain. brittlebush pallid - winged grasshopper grasshopper mouse western diamondback rattlesnake red - tailed hawk select each organism below that is a primary consumer in this food chain. brittlebush pallid - winged grasshopper grasshopper mouse western diamondback rattlesnake red - tailed hawk

Explanation:

In a food chain, primary consumers are organisms that eat producers. Producers are usually plants (like the brittlebush here). The pallid - winged grasshopper eats the brittlebush (the producer), so it is a primary consumer. The grasshopper mouse is a secondary consumer (eats the primary consumer - pallid - winged grasshopper), the western diamondback rattlesnake is a tertiary consumer (eats the secondary consumer - grasshopper mouse), and the red - tailed hawk is a quaternary consumer (eats the tertiary consumer - western diamondback rattlesnake). The brittlebush is a producer.

Answer:

pallid - winged grasshopper