Question

this diagram shows a food chain from a forest ecosystem in virginia. the arrows show how the matter eaten by organisms moves through the food chain. crabgrass field cricket rough green snake black racer bald eagle select each organism below that is both a predator and prey in this food chain. crabgrass field cricket rough green snake black racer bald eagle

Explanation:

• Field cricket: Eats crabgrass (prey for crabgrass) and is eaten by rough green snake (predator for rough green snake).
• Rough green snake: Eats field cricket (predator for field cricket) and is eaten by black racer (prey for black racer).
• Black racer: Eats rough green snake (predator for rough green snake) and is eaten by bald eagle (prey for bald eagle).

Crabgrass is a producer (only provides matter, not a predator or prey in the sense of eating other animals). Bald eagle is at the top of this food - chain (only a predator, not prey here as there is no animal shown to eat it in this food - chain).

Answer:

Field cricket, Rough green snake, Black racer