Very young children tend to use gender labels fairly consistently, but as children age, they become more rigid in their understanding of gender roles. Roberta came crying to her mother because a boy in her class told her she could never be president because girls cannot be president. Roberta and her male peers are MOST likely what age?

four years old

Explanation:

Roberta and her peers are most likely four years old. Most children tend to recognize and label stereotypical gender groups at about 2 years of age and at 3 years they are able to recognize their own gender and at age 3 to 4 years they use gender labels quite consistently. However, at age 5 and 6 children become rigid about gender stereotypes and preferences. Roberta and her classmates are likely 4 years of age.

d is the correct answer.

b is incorrect because it makes food by itself

c is incorrect because us humans don't know how to produce their own food using the sun like plants.

a is incorrect because consumers can depend on carnivores for eating food for consumers to eat the dead organism. same thing with omnivores.