This easy crossword puzzle helps kids in grades 3-5 learn about protein synthesis and DNA basics with common words and 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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