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