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