Consumer is organisms or animals that consume on plants or animals. Primary consumer are animals that feeds on plants, mostly are herbivores. Examples are caterpillar and goat. Secondary consumer are eats on small animals and mostly are omnivores. Examples are birds and monkeys. Lastly is the tertier consumer that feeds on animals, of course they were carnivores. Examples are tiger and jaguar.
Two atoms that have the same number of protons but different number of neutrons are called isotopes. Atoms with the same element but with a different number of neutrons.
