Use the drawings of a grass cell and a grasshopper cell to answer the question. plants and grasshoppers live in the same ecosystem. why do these cells contain many similar structures?
options:
a- organisms in an ecosystem breed with one another and share traits.
b- both organisms have the exact same dna sequences on their chromosomes.
c- plants and animals are descended from a common ancestor which had these cell parts.
d- species that live in an ecosystem have a single ancestor which founded the ecosystem.