Needs & Characteristics of Living Things: Montessori inspired biology, zoology or botany tool. These 5 part cards help students learn the processes or characteristics of life using the MRS GREN Mneomic to find what makes something a living thing. Help students learn what makes an animal or plant a living thing by learning the definition of Movement, Respiration, Sensitivity, Growth, Reproduction, Excretion, Nutrition. Includes - 2 x posters with MRS GREN written on them and what each letter st