Questions:
1. The difference between an environmentalist and an environmental scientist is
2. A good example of direct human manipulation of the natural environment is seen in
3. The extinction of mastodons and giant ground sloths in the Americas is attributed to
4. Environmental indicators
5. The population with the greatest ability to respond to environmental change most likely is the one with
6. The health of frog populations is used as an indicator of environmental health because frogs
7. Greenhouse gases in the atmosphere are
8. Human population today is closest to
9. All of the following are non-renewable resources except
10. A hypothesis is different from a belief because it is
11. Accuracy is
12. Precision is
13. Inductive reasoning
14. Deductive reasoning
15. Problems developed at Mono Lake as a consequence of the
16. Matter is
17. Mass is
18. An element is a substance that
19. The atomic number of an element is
20. Electrons are
21. Isotopes of an element must have the same
22. Mass number refers to the
23. Compounds formed by elements that share electrons are held together by
24. The surface tension of water results from the
25. At the atmospheric pressure found at sea level, water
26. Water reaches its highest density at
27. On the pH scale, _______ is neutral
28. An exception to the law of conservation of matter is seen in
29. The "ability to do work" is called
30. Most energy on Earth comes from
31. The second law of thermodynamics states that
32. Which of the following is not an abiotic factor?
33. Which group of organisms performs photosynthesis?
34. The sun is the ultimate source of energy for terrestrial ecosystems. Approximately how much of the potential energy available from the Sun's rays hitting the Earth is used in photosynthesis?
35. Which of the following is the approximate efficiency of the energy transfer as energy flows through the food chain?
36. How is the majority of energy within an ecosystem lost?
37. Which of the following is considered to be the most important element in living organisms?
38. What is a possible result of an increased amount of CO2 in the atmosphere?
39. What impact does deforestation have on the carbon cycle?
40. Which element is the most abundant in the atmosphere?
41. Which ecosystems are considered to be the most diverse?
42. Which of the following is the best description of evolution?
43. If a bird that normally has green feathers produces offspring with blue, this is most likely the result of
44. When part of one chromosome breaks off and reattaches to another chromosome, this is known as
45. Which of the following is true about an individual's phenotype?
46. Which two scientists are credited with developing the theory of evolution by natural selection?
47. Which of the following is not a key component of the theory of evolution by natural selection?
48. Which of the following would result in the highest rate of evolution?
49. The change in genetic composition of a population over time is called?
50. In a small population, when genotypes are lost by chance it is called?