4th Grade Vocabulary 75-84

75. anatomy—the structure of a plant or animal or any of its parts 76. behavior—a living things reaction to its environment 77. condition—state in which a person or thing is 78. description—a statement in words that gives a picture or account of something 79. era—a particular period in history 80. evidence—the data used to draw a conclusion 81. external—having to do with the outside 82. features—parts of an animal’s body or person’s body 83. geologist—a scientist who studies the earth 84. organisms—all kinds of living things