Which type of mutation results in a base pair within a dna sequence being replaced with a different pair?

Try and make the question more clear : )

The answer would be dogs.

The correct answer is d

Plants take energy from the sunlight with the of chlorophyll so the plant starts the food chain. then an herbivore eats the plant and gets its energy.then a carnivore or a human eats the herbivore and gets its energy. : )