QUESTION IMAGE
Question
use the food chain to complete the text below.
if the population of grasshopper mice increases, the population of western diamondback rattlesnakes will likely , and the population of pallid - winged grasshoppers will likely .
Brief Explanations
- Analyze the food chain: brittlebush → pallid - winged grasshopper → grasshopper mouse → western diamondback rattlesnake → red - tailed hawk.
- For the grasshopper mouse population increase:
- The western diamondback rattlesnake preys on the grasshopper mouse. With more grasshopper mice (prey), the rattlesnake population will likely increase because there is more available food.
- For the western diamondback rattlesnake population increase:
- The pallid - winged grasshopper is preyed upon by the grasshopper mouse. If the grasshopper mouse population increases (due to more food from brittlebush, not directly affecting pallid - winged grasshopper here), wait, no, the grasshopper mouse's prey is pallid - winged grasshopper? Wait, no, the food chain is brittlebush (producer) → pallid - winged grasshopper (primary consumer) → grasshopper mouse (secondary consumer) → western diamondback rattlesnake (tertiary consumer) → red - tailed hawk (quaternary consumer). So if grasshopper mouse (prey of rattlesnake) population increases, rattlesnake (predator of grasshopper mouse) has more food, so rattlesnake population increases. Then, the pallid - winged grasshopper: its predator is grasshopper mouse. If grasshopper mouse population increases, the pallid - winged grasshopper (prey of grasshopper mouse) will likely decrease because there are more predators (grasshopper mice) eating them. Wait, the original statement: "If the population of grasshopper mice increases, the population of western diamondback rattlesnakes will likely _, and the population of pallid - winged grasshoppers will likely _." Wait, maybe I misread. Let's re - examine the food chain. The pallid - winged grasshopper is eaten by the grasshopper mouse? Wait, the labels: brittlebush, then pallid - winged grasshopper, then grasshopper mouse, then western diamondback rattlesnake, then red - tailed hawk. So the trophic levels: Brittlebush (Producer) → Pallid - winged grasshopper (Primary Consumer) → Grasshopper mouse (Secondary Consumer) → Western diamondback rattlesnake (Tertiary Consumer) → Red - tailed hawk (Quaternary Consumer). So:
- Grasshopper mouse (prey) population increases: Rattlesnake (predator) has more food, so rattlesnake population increases.
- Grasshopper mouse (predator of pallid - winged grasshopper) population increases: Pallid - winged grasshopper (prey of grasshopper mouse) will have more predators, so its population will likely decrease. Wait, but the question is "If the population of grasshopper mice increases, the population of western diamondback rattlesnakes will likely _, and the population of pallid - winged grasshoppers will likely _." So first blank (rattlesnake population): increase (because more prey - grasshopper mice). Second blank (pallid - winged grasshopper population): decrease (because more grasshopper mice, which eat pallid - winged grasshoppers). But the first part: "the population of western diamondback rattlesnakes will likely _" - since grasshopper mice are their prey, more prey means more rattlesnakes (increase). Then "the population of pallid - winged grasshoppers will likely _" - since grasshopper mice eat them, more grasshopper mice mean more predation on pallid - winged grasshoppers, so their population decreases. But maybe the first blank for rattlesnake is "increase", and the second for pallid - winged grasshopper is "decrease". Wait, but let's check again. The problem says "If the population of grasshopper mice increases, the population of western diamondback rattlesnakes will likely _, and the population of pallid -…
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For the population of western diamondback rattlesnakes: increase. For the population of pallid - winged grasshoppers: decrease. (Assuming the blanks are to be filled with "increase" and "decrease" respectively, based on the food chain and predator - prey relationships.)