Biology vocabulary

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Across
  1. 1. the growth movement of a plant in response to light
  2. 5. - the photosynthetic cells found in leaves of plants.
  3. 6. organ of a plant that anchors it into the ground and takes in water and nutrients.
  4. 8. - a tiny opening on the surface of a plant leaf or stem, surrounded by guard cells , which control the exchange of gases like carbon dioxide and oxygen between the plant and its environment.
  5. 9. - the body system involved in breathing and gas exchange and includes the nasal passages, the pharynx, the larynx, the epiglottis, the trachea, bronchi, the lungs, and the diaphragm.
  6. 10. - the body system that works to control and coordinate all bodily functions and includes nerve cells (neurons), the brain and the spinal cord.
  7. 12. - body system that removes waste and excess water from the body and includes the lungs, skin, kidneys, and urinary bladder.
  8. 13. - one of a pair of cells that function in the opening and closing of a plant’s stomata by changes in their shape.
  9. 15. - the growth of plants in respect to gravity; roots are positive because they grow down and stems are negative because they grow up against gravity.
  10. 16. the sticky, receptive surface at the top of a flower’s female reproductive organ where pollen grains land and begin the process of fertilization.
  11. 17. organism’s reaction to a stimulus (a change in an organism’s environment)
  12. 19. - the body’s largest organ that consists of skin, hair, and nails.
  13. 20. - the above ground part of a plant, including stems, leaves, flowers, and fruits, which is responsible for photosynthesis, nutrient transport, and reproduction.
Down
  1. 2. plant structure that develops into a seed when fertilized.
  2. 3. - the body system involved in producing offspring
  3. 4. - a network of tissues and vessels that carry blood and lymph through the body and includes the heart, arteries, veins and capillaries.
  4. 7. - body system that works to protect the body from infection and disease and includes the skin, mucus, and white blood cells.
  5. 11. - body system that functions as a communication system and includes the pituitary gland, the thyroid gland, the parathyroid gland, the thymus gland, the pineal gland, the pancreas, the adrenal glands, the ovaries, and the testes.
  6. 14. part of the plant that supports leaves, flowers, and fruits, transports water and dissolved substances from the roots to other parts of the plant.
  7. 18. vascular plant tissue that transports water and dissolved minerals away from the roots through the plant.