DNA and RNA are key to this puzzle that helps middle schoolers review basic protein synthesis terms like 'codon' and 'enzyme' with clear, simple clues.
Hard Marine Biology Crossword Puzzle for ESL Learners is a hard crossword puzzle with 5 clues covering . Play it online for free below, or create your own crossword with our free crossword maker.
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Hard Marine Biology Crossword Puzzle for ESL Learners
Challenge your advanced marine biology vocabulary with this hard crossword designed for ESL learners. Includes technical terms on ocean life and adaptations.
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- 1. Microscopic organisms drifting in oceans, base of many aquatic food chains
- 2. Oceanic zone extending 4,000 to 6,000 meters deep, near the ocean floor
- 4. Class of bony fish distinguished from cartilaginous species
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- 3. Emission of light by marine organisms through a chemical reaction
- 5. Biological sonar used by dolphins and whales for navigation and hunting
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