Question

(01.01 mc)
the table shows the commonly eaten foods of some organisms.
commonly eaten foods list
group commonly eaten foods
a squids, crabs, lobsters
b branches, barks, twigs, roots
c insects, leaves, nuts, bird eggs
d vegetables, fish, grains, fruits
which groups contain both primary and secondary consumers?
c
b
a
d

Explanation:

Primary consumers eat producers (plants), and secondary consumers eat primary - consumers. Group D has vegetables, grains, and fruits which are plants (eaten by primary consumers) and fish which can be eaten by secondary consumers. Group C also has leaves (plants for primary consumers) and bird eggs and insects which can be eaten by secondary consumers. Group A consists of only animals (squids, crabs, lobsters) which are likely secondary or higher - level consumers. Group B has only plant parts and is likely for primary consumers only.

Answer:

C, D