The ecological pyramid consists of the producers and consumers. Organisms B and D are both primary and secondary consumers. Thus, option D is correct.
In an ecological pyramid, the consumers are the species that are heterotrophs and depend for food on the producers like plants, algae, and bacteria. The consumers can be primary and secondary based on their food sources.
The primary consumer is a herbivore and feeds on the products of the plants. They might include fruits, nuts, blossoms, vegetables, and grains. On the other hand, secondary consumer feeds on the primary consumer like bird and meat for energy. They are generally omnivores and carnivores.
Therefore, option D. organisms B and D are both primary and secondary consumers.
Learn more about primary and secondary consumers here:
https://brainly.com/question/14171839
#SPJ5
Your question is incomplete, but most probably your full question was, The table below shows the commonly eaten foods of some organisms.
Organism | Commonly Eaten Foods
----------------------------------------------------------
A (eats) owls, raccoons, salmon
B (eats) birds, fruits, nuts, blossoms
C (eats) branches, barks, twigs, acorns
D (eats) vegetables, meat, grains
Which organisms are both primary and secondary consumers?
