C) Todo lo que existe en la Tierra, incluyendo los seres vivos y no vivos.
b)
: Animals with a backbone (mammals, birds, reptiles, amphibians, and fish). Invertebrates : Animals without a backbone (insects, mollusks, etc.). Classification by Nutrition Herbivores : Eat plants. Carnivores : Eat other animals. : Eat both plants and animals. Reproduction Viviparous : Born from their mother's womb. : Born from eggs. Practice Exam Questions Based on common examen conocimiento del medio 3 primaria santillana tema 2