A Year in Biology

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Across
  1. 2. A tree is an example of a ________ on an ecological pyramid
  2. 7. Organelle that makes proteins
  3. 8. Site of photosynthesis in a plant
  4. 9. The original energy source for an ecosystem
  5. 10. Internal balance or stability in the body is called...
  6. 12. Site of gas exchange in a plant
  7. 13. Sperm and egg are classified as which type of cell?
  8. 16. Bacteria is an example of this type of cell
  9. 17. A polysaccharide is an example of this biomolecule
Down
  1. 1. A mutation that is the most harmful and changes many of amino acids is called...
  2. 3. Jelly-like substance within ALL cells that contain organelles
  3. 4. Plant tissue that moves in one direction, carrying water and minerals from the roots to the leaves
  4. 5. Structures that have similar functions but no common ancestry
  5. 6. Waxy coating on a leaf that prevents plant dehydration
  6. 11. In DNA, Adenine is complimentary to...
  7. 12. A body cell such as a skin cell or a blood cell is an example of what type of cell
  8. 13. The products of photosynthesis are oxygen and...
  9. 14. Supplies energy or ATP for the cell via cell respiration
  10. 15. Helicase is an example of...