Bio Crossword Puzzle

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Across
  1. 3. the biological process by which autotrophic organisms—plants, algae, and some bacteria—convert light energy, typically from sunlight, into chemical energy (glucose)
  2. 4. an organism in a food chain that feeds directly on producers (plants, algae, or bacteria) to obtain energy
  3. 5. the fundamental metabolic process by which living cells convert biochemical energy from nutrients (primarily glucose) into adenosine triphosphate (ATP) while releasing waste products like carbon dioxide and water
  4. 6. an organism that produces its own food, forming the foundation of ecosystems by converting inorganic materials into organic energy
  5. 10. organisms, usually carnivores or omnivores, that occupy the fourth trophic level in a food chain by feeding on secondary consumers
  6. 14. a linear, hierarchical sequence in ecology that illustrates how energy and nutrients are transferred from one organism to another as one feeds on another
  7. 16. an organism, typically an animal, that derives its energy and nutrient requirements from a diet consisting mainly or exclusively of animal tissue (meat), whether through hunting or scavenging
  8. 19. organisms, typically carnivores or omnivores, that occupy the third trophic level in a food chain by feeding on primary consumers (herbivores)
  9. 20. the study of the feeding relationships, energy transfer, and nutritional nourishment of organisms within an ecosystem
  10. 21. an organism that cannot produce its own food and must obtain energy and carbon by consuming other organisms
Down
  1. 1. a 6-carbon structure with the chemical formula C6H12O6
  2. 2. animals biologically adapted to derive energy and nutrients primarily from plants, algae, and photosynthesizing bacteria
  3. 7. heterotrophic organisms that obtain nutrients and energy by consuming detritus, which is decomposing organic matter, including dead plant/animal tissues and fecal waste
  4. 8. a critical byproduct of cellular respiration in animals and aerobic organisms, and a necessary reactant for photosynthesis in plants to produce carbohydrates
  5. 9. an organism, typically an animal, that habitually consumes both plant and animal matter to meet its nutritional needs
  6. 11. an organic compound produced by muscles and red blood cells during anaerobic metabolism when oxygen is low
  7. 12. a graphical model illustrating the flow of energy through different trophic levels in an ecosystem, showing a decrease in available energy from producers to top consumers
  8. 13. a complex, interconnected network of multiple, overlapping food chains that illustrates the feeding relationships and energy flow among organisms within an ecosystem
  9. 15. the primary energy carrier molecule in all living cells
  10. 17. an organism that produces its own food (organic nutrients) from inorganic materials, utilizing sunlight or chemical energy
  11. 18. organisms—primarily bacteria, fungi, and detritivores like earthworms—that break down dead or decaying organic matter, such as fallen leaves, dead animals, and waste