1. CP Biology Mid-Term Review 2012- 2013

2. Please select a Team. 1.Producers 2.Herbivores 3.Omnivores 4.Carnivores

3. Which of the following is not a characteristic of life? 1.Growth 2.Reproduction 3.Use of energy 4.movement 10

4. The process by which an organism maintains a constant internal environment is called 1.Metabolism 2.Homeostasis 3.Photosynthesis 4.Plasmolysis 10

5. What type of electron is important in the formation of chemical bonds? 1.Covalent 2.Nucleus 3.Ionic 4.Valence 10

6. What type of ion is formed when an atom loses an electron? 1.Negative 2.Neutral 3.Positive 4.Covalent 10

7. The most abundant substance in almost all living things is? 1.Carbon dioxide 2.Sugar 3.Water 4.Sodium chloride 10

8. Solutions with a pH of 1-6 are 1.Acidic 2.Basic 3.Neutral 4.Composite 10

9. Which of the following is true? 1.Simple sugars are made form polysaccharides. 2.RNA is made of nucleotides 3.Amino acids are made of proteins 10

10. Isotopes are atoms of the same element with different numbers of ? 1.Electrons 2.Protons 3.Orbitals 4.Neutrons 10

11. Covalent bonds form as a result of? 1.Losing electrons 2.Sharing electrons 3.Transferring electrons 4.Losing protons 10

12. Solutions that contain concentrations of H+ ions lower than pure water 1.Have a pH below 7. 2.Are bases 3.Are acids 10

13. The main energy molecule of living things is: 1.Carbohydrates 2.Fats 3.Proteins 4.Nucleic Acids 10

14. A substance that regulates a chemical reaction is a : 1.Lipid 2.Catalyst 3.Element 4.Suspension 10

15. Organisms that produce their own food are: 1.Consumers 2.Heterotrophs 3.Autotrophs 4.Detrivores 10

16. Carbon cycles in all of the following except: 1.Transpiration 2.Respiration 3.Photosynthesis 4.Decomposition 10

17. Most energy in trophic cycles is eliminated as heat. What % goes to the next level? 1.55% 2.40% 3.25% 4.10% 10

18. The largest combined area of living things are included in the: 1.Ecosystem 2.Biosphere 3.Community 4.Biome 10

19. Chemosynthetic bacteria and green plants are: 1.Omnivores 2.Carnivores 3.Consumers 4.Producers 10

20. Interconnected feeding relationships are included in: 1.Food chains 2.Food Webs 3.Food Interactions 4.Food Networks 10

21. Non-food producing organisms are: 1.Heterotrophs 2.Autotrophs 3.Chemotrophs 4.Phototrophs 10

22. Pyramid type showing the amount of living tissue at each level: 1.Food Pyramid 2.Egyptian pyramid 3.Numbers Pyramid 4.Biomass Pyramid 10

23. Nitrogen fixation is….. 1.Carried out by plants 2.Carried out by bacteria 3.Carried out by carnivores 4.Carried out by omnivores 10

24. The differences in solar energy cause 1.Wind and ocean currents 2.Heat transport in the biosphere 3.Impacts Earth’s climate regions 4.All of the above 10

25. What biotic factor impacts ecosystem? 1.Number of predators 2.Number of rocks 3.Type of soil 4.Amount of water 10

26. What is an example of a symbiotic relationship? 1.Parasitism 2.Predation 3.Competition 4.Niche 10

27. What is climate? 1.Daily weather 2.Average yearly temperature and precipitation 3.Clouds 4.The ecosystem 10

28. Why do temperatures on Earth remain within a livable range? 1.Greenhouse effect 2.Loss of heat to space 3.Sunlight radiating to Earth 4.Unequal heating of Earth’s surface 10

29. What is a niche? 1.the range of physical and biological conditions in which it lives 2.all the physical factors in the organism’s environment. 3.the range of temperatures that the organism needs to survive. 4.a full description of the place an organism lives. 10

30. A symbiosis where one species benefits and one is neither helped nor harmed is…. 1.Parasitism 2.Mutualism 3.Commensalism 4.Predation 10

31. What is ecological succession? 1.Series of random changes in an ecosystem 2.Series of predictable changes in an ecosystem 3.Series of changes in a community 4.Series of changes in a population 10

32. One characteristic of a population is… 1.Geographic distribution 2.Growth Rate 3.Population Density 4.All of the above 10

33. Acid rain is produced when water combines with which of the following? 1.Carbon dioxide 2.CFCs 3.Sulfur and Nitrogen oxides 4.None of the above 10

34. Sustainable development is best described as… 1.Not overusing or depleting natural resources 2.Creating biodiversity 3.Not using nonrenewable resources 4.Not using harmful pollutants 10

35. The current human population is approximately 6.8 billion. What is it approximately expected to be by 2050 if we complete demographic transition? what will it if we do not? 1. 7 billion; 9 billion 2.9 billion; 90 billion 3.12 billion;12 billion 4.6.8 billion;300 billion 10

36. The study of populations and how they change over time is called... 1.ecology 2.biology 3.demography 4.epidemiology 10

37. Which of the following is a correct density dependent and density independent factor respectively?... 1.earthquake; competition 2.disease; extreme weather 3.Population growth characterisitics ;carrying capacity 10

38. Which of the following is not true of populations?... 10 1.They change over time 2.They are larger usually for those high on a food chain compared to those low on a food chain 3.They are decreased by limiting factors 4.There are limits in a closed system

39. Which is NOT a renewable resource? 1.Water 2.Fish 3.Old-growth forest 4.Top soil in a forest 10

40. The ozone layer has been mostly damaged by … 1.Burning fossil fuels 2.Chlorofluorocarb ons 3.Acid rain 4.UV light 10

41. The number of organisms in a particular area is how you calculate the …. 1.Growth rate 2.population 3.Population density 4.Carrying capacity 10

42. WHAT TYPE OF BOND HOLDS THE ELEMENTS SODIUM AND CHLORIDE TOGETHER TO MAKE SALT? 1.COVALENT BOND 2.IONIC BOND 3.HYDROGEN BOND 4.MAGNETIC BOND 5.FISSION BOND

43. Which is Not a true statement about a nutrient that cycles through an ecosystem? 10 1.Oxygen is needed for respiration 2.Carbon dioxide is made from burning fossil fuels 3.Nitrogen is needed to make proteins 4.Decomposers cause problems for an ecosystem because they remove nutrients that cycle

44. Which of the following best explains why water is so stable and important to life? 10 1.Water has a very low pH so that it does not react with many other compounds 2.Water is made of a molecule that has covalent bonds that do not react as quick as compounds made of ionic bonds 3.Water is a solution that has many solutes dissolved in it 4.Water is an organic compound that is present in large amounts in life

45. Land is a resource that provides? 10 1.A space for cities and suburbs. 2.Raw materials for industry. 3.Soil for growing crops. 4.All of the above or other options are true

46. Which describes the function of respiration and the location in the cell? 10 1.Breathing and takes place at the cell membrane 2.Making energy and takes place in the mitochondria 3.Eliminating wastes and takes place in the lysosome 4.Sweating and takes place in the vacuoles

47. Using renewable resources to make sure they are not depleted is called 1.Sustainable development 2.Monoculture 3.Biological magnification 4.Subsistence hunting 10

48. Which organelle breaks down old cell parts and other compounds into small particles that the cell can use? 1.Golgi apparatus 2.Lysosome 3.Endoplasmic reticulum 4.Mitochondrion 10

49. Which organelle makes proteins using the instructions from the DNA that comes from the nucleus? 1.Golgi apparatus 2.Mitochondrion 3.Vacuole 4.Ribosome 10

50. Which cell structure contains the DNA and controls many of the cell’s activities 1.Nucleolus 2.Cell membrane 3.Nucleus 4.Cytoplasm :10

51. What is the main function of the cell membrane? 1.Breaks down lipids, carbohydrates, & proteins from foods 2.Stores water, salt proteins, & carbohydrates 3.Keeps the cell wall in place 4.Regulates which materials enter and leave the cell 10

52. Diffusion occurs because… 1.Molecules never move or collide with one another. 2.The concentration of a solution is never the same throughout a solution. 3.Molecules move and collide with one another. 4.The concentration of a solution is always the same throughout the solution. 10

53. Which item do eukaryotes contain but prokaryotes lack? 1.Cytoplasm 2.A cell membrane 3.A nucleus 4.Genetic material 10

54. An animal cell that is surrounded by salt water will shrink because osmotic pressure causes… 1.Water to move into the cell 2.Water to move out of the cell 3.Solutes to move into the cell 4.Solutes to move out of the cell :10

55. The cells of multicellular organisms are… 1.Smaller than those of unicellular organisms 2.Specialized to perform particular functions 3.Not dependent on one another 4.Simpler than those of unicellular organisms 10

56. A tropical rainforest is… 1.A renewable resource 2.A nonrenewable resource 3.A microclimate 4.Poor in biodiversity 10