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1. Introduction to Biology(0)
2. Chemistry(0)
3. Water(0)
4. Biomolecules(0)
5. Cell Components(0)
6. The Membrane(0)
7. Energy and Metabolism(0)
8. Respiration(0)
9. Photosynthesis(0)
10. Cell Signaling(0)
11. Cell Division(0)
12. Meiosis(0)
13. Mendelian Genetics(0)
14. DNA Synthesis(0)
15. Gene Expression(0)
16. Regulation of Expression(0)
17. Viruses(0)
- Viruses
  (0)
18. Biotechnology(0)
19. Genomics(0)
- Genomes
  (0)
20. Development(0)
21. Evolution(0)
22. Evolution of Populations(0)
23. Speciation(0)
- Species
  (0)
24. History of Life on Earth(0)
- History of Life on Earth
  (0)
25. Phylogeny(0)
- Phylogeny
  (0)
26. Prokaryotes(0)
27. Protists(0)
28. Plants(0)
29. Fungi(0)
- Fungi
  (0)
- Fungi Reproduction
  (0)
30. Overview of Animals(0)
- Overview of Animals
  (0)
31. Invertebrates(0)
32. Vertebrates(0)
33. Plant Anatomy(0)
34. Vascular Plant Transport(0)
- Water Potential
  (0)
35. Soil(0)
- Soil and Nutrients
  (0)
- Nitrogen Fixation
  (0)
36. Plant Reproduction(0)
- Flowers
  (0)
- Seeds
  (0)
37. Plant Sensation and Response(0)
38. Animal Form and Function(0)
39. Digestive System(0)
- Digestion
  (0)
- Blood Sugar Homeostasis
  (0)
40. Circulatory System(0)
41. Immune System(0)
42. Osmoregulation and Excretion(0)
- Osmoregulation and Excretion
  (0)
43. Endocrine System(0)
- Endocrine System
  (0)
44. Animal Reproduction(0)
- Animal Reproduction
  (0)
45. Nervous System(0)
- Neurons and Action Potentials
  (0)
- Central and Peripheral Nervous System
  (0)
46. Sensory Systems(0)
- Sensory System
  (0)
47. Muscle Systems(0)
- Musculoskeletal System
  (0)
48. Ecology(0)
49. Animal Behavior(0)
- Animal Behavior
  (0)
50. Population Ecology(0)
51. Community Ecology(0)
- Community Interactions
  (0)
- Community Structure
  (0)
52. Ecosystems(0)
- Ecosystems
  (0)
53. Conservation Biology(0)
- Conservation Biology
  (0)

1. Introduction to Biology

Life's Organizational Hierarchy Practice Problems

1. Introduction to Biology

Life's Organizational Hierarchy - Online Tutor, Practice Problems & Exam Prep

Life's Organizational Hierarchy Practice Problems

5 problems

1PRACTICE PROBLEM

In biology, the vertical scale describes the _______, and the horizontal scale describes the _______.

2PRACTICE PROBLEM

Erwin Chargaff found that in DNA, the ratios of adenine (A) to thymine (T) and guanine (G) to cytosine (C) are equal. This is the best example of study at the _____ level in life's hierarchy.

3PRACTICE PROBLEM

Which of the following is at the most complex level of organization among the others?

4PRACTICE PROBLEM

Using a mudcrab as the sample organism living in a mangrove ecosystem, identify which of the following images illustrates the correct biological hierarchy.

5PRACTICE PROBLEM

Groups of different species residing in a given area are referred to as

Previous Topic: Characteristics of Life

Next Topic: Natural Selection and Evolution

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