Across
- 2. active during the day
- 4. scientific term for a flowering plant
- 5. plants with two cotyledons
- 11. the sum of all chemical processes
- 13. a group of organs that function together as a unit to perform a definite job for the body
- 14. active during the night
- 15. leaf-like structures that surround the base of the petals
- 16. a lack of proper nutrition caused by not eating enough of the right things
- 18. the organ that allows a bird to produce sound
- 19. a painful and sometimes deadly sickness that occurs when a dependence causing drug is no longer taken
- 21. the group of nutrients that contain fats
- 23. the breathing muscle
- 25. plant life
- 28. the study of living things
- 31. plants with only one cotyledon
- 32. the sweet liquid stored at the base of a blossom
- 33. large blood vessels that carry blood away from the heart
- 34. the transfer of pollen from the anther to the stigma
- 36. plants that live from year to year with many growing seasons
- 37. the group of drugs that includes morphine and heroin
Down
- 1. animal life
- 3. the type of disease caused by a pathogen
- 6. refers to anything that provides a partial representation of something else
- 7. tissue carries water and nutrients from the root hairs to the leaves
- 8. large blood vessels that carry blood back to the heart
- 9. a conclusion based on reasoning from evidence
- 10. the uniting of a sperm cell from a pollen grain
- 12. the tiny air sacs
- 15. complex chains of glucose units
- 16. the study of organisms too small to be seen with the unaided eye
- 17. the early growth of a seed
- 20. a substance that simulates a pathogen, causing the immune system to produce antibodies
- 22. any condition that interferes with homeostasis
- 24. the study of animals
- 26. the term used to describe the evaporation of water from plant leaves
- 27. the home of an organism
- 29. to maintain a stable internal condition
- 30. the smallest unit of living things
- 35. a substance taken into the body that causes changes in the body