Biology 2

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4. type of drug that is used to cure diseases or relieve symptoms
7. how energy is called in food
10. long strand of DNA that contains many genes
11. sleeping throughout winter and conserving energy
12. type of drug that is taken for pleasure
18. a process that helps an animal survive
19. type of digestion that chemically breaks down food into smaller molecules
20. leaf used in cigarettes
21. releases energy which your cells need
24. something only plants compete for
26. produced when tobacco burns
27. moving somewhere with more food and a higher chance of survival
30. preserved remains of organisms from millions of years ago
32. when animals and plants fight for a limited supply of resources
34. comes from parents
36. the differences within a species
37. type of tree that doesn't lose its leaves
38. liquid which turns cloudy in the presence of carbon dioxide
39. spaces which are open and closed via the guard cells
40. part of the cell where DNA is stored
43. type of drug that is very dangerous and can cause long-term damage
44. the process in which plants produce food
45. a chemical that contains all the information needed to make an organism
48. cause of extinction created naturally
50. cause of extinction created by humans
51. more species in an area means more ...
52. type of respiration that doesn't need oxygen
53. when species depend on each other

1. only used in aerobic respiration and the more you have, the more enrgy is released
2. where photosynthesis takes place
3. type of digestion that makes the stomach churn
5. helps keep food moving in the gut and helps to eliminate waste
6. the main source of energy for the body
8. used to make different food products such as bread and wine
9. required for hydration and aiding digestion
13. required for growth, development and functioning of our bodies
14. produced from photosynthesis
15. an animal that changes colour to keep them at the right temperature
16. measurement of the quality of pure alcohol in a drink
17. little to no food
22. needed in small amounts to maintain health beginning with v
23. type of respiration that only occurs when there is oxygen
25. comes from external factors
28. growth and repair
29. needed in small amounts to maintain health starting with m
31. a group of similar organisms
33. eating too much
35. not eating enough of important food
41. type of digestion that happens in the mouth from chewing
42. provide energy and insulate it against the cold
46. section of DNA that holds the information to produce a characteristic
47. population of organisms does not have the adaptations to survive in the environment
48. illegal or legal substance that changed the way the body or mind works
49. the addictive drug inside cigarettes