Fill in the Blanks Scientific TermsOnline version Select the correct word and expand your science vocabulary. by Légende X 1 hidden invisible alive endangered extinct sleeping When a species disappears completely and no longer exists , it is called . 2 Revolution Mutation Conservation Evolution Stagnation Extinction is the process by which species change over time through natural selection . 3 evolution adaptation organism ecosystem anomaly environment An is a community of plants , animals , and their environment all working together . 4 conservationist naturalist protector developer deforester farmer A person who works to protect and preserve natural environments and wildlife is known as a . 5 anthropology chemistry genetics ecology biology anatomy The study of how traits are passed from parents to offspring is called . 6 DNA Bacteria Enzyme Oxygen Protein RNA is the molecule that carries genetic instructions for life and stands for Deoxyribonucleic Acid . 7 MRI CRISPR CAT scan PCR Photosynthesis Microscope is a powerful tool used by scientists for editing genomes , allowing them to alter DNA sequences . 8 nerve organ stem red blood atom virus A cell is a special type of cell that can grow into different parts of the body , like skin or bone .
