Question

use the food web provided to answer the question below.
if these organisms were arranged into an energy pyramid, which organism would have the least amount of total energy available?
a. roadrunners

Explanation:

In an energy pyramid, energy decreases as we move up trophic levels. Producers (shrubs, cacti) are at the bottom with the most energy. Primary consumers (rats, insects, lizards) are next, then secondary consumers (roadrunners), and top predators (coyotes) are at the top with the least energy. Wait, but the options include roadrunners. Wait, let's re - evaluate. Wait, the food web: shrubs and cacti are producers. Insects, rats, lizards eat producers (primary consumers). Roadrunners eat insects and lizards (secondary consumer). Coyotes eat rats, roadrunners, insects, lizards (top predator). So the highest trophic level (top predator) has the least energy. But the option given is A. roadrunners? Wait, maybe I misread. Wait, the options: A is roadrunners. Wait, no, maybe the original question's options were mis - presented? Wait, no, in the energy pyramid, energy is transferred with about 10% efficiency. So the higher the trophic level, the less energy. Let's list trophic levels:

Level 1: Producers (shrubs, cacti) - most energy.

Level 2: Primary consumers (rats, insects, lizards) - less than producers.

Level 3: Secondary consumers (roadrunners, since they eat insects and lizards which are level 2) - less than level 2.

Level 4: Tertiary consumers (coyotes, since they eat rats (level 2), roadrunners (level 3), insects (level 2), lizards (level 2)) - least energy. But the option given is A. roadrunners. Wait, maybe the question's options were different? Wait, the user's image shows option A: roadrunners. Wait, maybe I made a mistake. Wait, let's check the food web again. Insects eat shrubs and cacti (level 2). Lizards eat shrubs, cacti, insects (level 2 or 3? If lizards eat insects (level 2), then lizards are level 3. Roadrunners eat lizards (so roadrunners are level 4? No, lizards eating insects (level 2) makes lizards level 3, roadrunners eating lizards (level 3) makes roadrunners level 4. Coyotes eat roadrunners (level 4), so coyotes are level 5. But if the options don't have coyotes, and only roadrunners, maybe the question has a typo, but according to the given option, among the options, roadrunners are at a higher trophic level than primary consumers. Wait, maybe the original question's options were different, but based on the given option A: roadrunners, and the energy pyramid concept (higher trophic level has less energy), roadrunners are at a higher trophic level than primary consumers, so they have less energy than primary consumers, and if coyotes are not an option, roadrunners would be the one with least energy among the given options.

Answer:

A. roadrunners