Afrog captures and consumes a fly. which example of the characteristics of life is most similar?

a male bird sings to attract a mate.
a porcupine raises its quills at the sight of a predator.
a rabbit urinates.
a bacterium splits into two cells.
a cow grazes in a grassy meadow.

The correct answer would be "A cow grazes in a grassy meadow".

A frog captures and consumes a fly demonstrates a heterotrophic form of nutrition.

Heterotrophs are the organisms which derive their nutrition from other organisms such as frog derives its nutrition from a fly, cow derives its nutrition from grasses, humans derive their nutrition from the plant and animal products et cetera.

b. the carbon cycle ensures living things have a source of hydrogen