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CLEP Biology

Subjects : clep, science, biology
Instructions:
  • Answer 50 questions in 15 minutes.
  • If you are not ready to take this test, you can study here.
  • Match each statement with the correct term.
  • Don't refresh. All questions and answers are randomly picked and ordered every time you load a test.

This is a study tool. The 3 wrong answers for each question are randomly chosen from answers to other questions. So, you might find at times the answers obvious, but you will see it re-enforces your understanding as you take the test each time.
1. Is a kingdom that includes algae and protozoa.






2. Is secreted by the adrenal cortex to promote sodium reabsorption in the kidney.






3. The trachea includes the windpipe or larynx in its upper portion - and the glottis - an opening that allows the gases to pass into the two branches known as the bronchi.






4. Contains multicellular photosynthetic eukaryotic organisms including gymnosperms and angiosperms.






5. Includes all living and nonliving components of the Earth to support living things.






6. Is the earliest period of the Paleozoic era. Began with the Cambrian explosion - this explosion of life resulted in the representatives of most of the modern phyla being present.






7. The transfer of electrons.






8. It secretes saliva which enters the digestive tract and aids the digestive process.






9. The bronchi lead to the two lungs where they branch out in all directions into smaller tubules known as bronchioles.






10. An orienting response to light.






11. Assumes that there are periods of stability during which little evolutionary change occurs - and that speciation can occur rapidly over a very short period of time.






12. Contains organisms that are multicellular eukaryotes including molds and mushrooms.






13. Internally generated patterns of body functions - including hormonal signals - sleep - blood pressure - and temperature regulation - which have approximately a 24-hour cycle and occur even in the absence of normal cues about whether it is day or nigh






14. Algae and Protozoa belong to the kingdom...






15. In both living and non-living environments.






16. All store energy within their chemical bonds.






17. Are where the sugars synthesized by photosynthesis travel through to various parts of the plant.






18. Contain organisms that are multicellular eukaryotes including vertebrates and invertebrates.






19. States that where random mating is occurring within a population that is in equilibrium with its environment - the gene frequencies and genotype ratios will remain constant from generation to generation. It is a mathematical formula that shows why re






20. Transparency - polarity - high specific heat - and density (lower density when solid than when liquid.).






21. Becomes available for erosion as undersea sedimentary rocks are up-thrust by volcanic activity - erosion releases it from rocks into streams where it combines with oxygen to form phosphates in lakes that are then absorbed by plants - it is recycled t






22. The sharp boundary of an ecosystem.






23. Plants and animals obtain usable nitrogen






24. Contain one celled eukaryotes such as algae and protozoa.






25. Is a kind of plain characterized by a warm climate - grassland - and seasonally dry climate conditions.






26. A hydrogen bond involves the ________________ and can be easily broken.






27. The total amount of genetic information available for a given species.






28. Biotic (living) factors such as population and food source - and abiotic (non-living) factors such as weather - temperature - soil features - sunlight).






29. Is a disease caused by lack of vitamin C in which the body is unable to build enough collagen (a major component of connective tissue).






30. There was extensive radiation of fish during the Devonian and Silurian periods within the Paleozoic Era.






31. The systematic search for individuals with a specific genotype in a delineated population.






32. Respiratory organs within insects






33. Super-class of vertebrae including organisms with jaws.






34. The number of organisms in a given community - can be above or below the carrying capacity.






35. Include: Vascular tissue - including both xylem and phloem - and sieve plates existing between cells of the stem.






36. Is an ion that binds to an enzyme making it more able to catalyze a reaction.






37. Is a substance that changes the speed of a reaction without being affected itself.






38. Between the endoderm and ectoderm - layer that will eventually form the muscles - and organs of the skeletal - circulatory - respiratory - reproductive - and excretory systems.






39. The vocal cords are found in the larynx.






40. Disease causing






41. The lineage that led to the modern Homo Sapiens diverged from the lineage that led to the modern chimpanzee.






42. Approximately 7 - making it neither basic (under 7) nor alkaline (over 7).






43. The pituitary gland.






44. Has loosely packed cells that allow for gas and moisture exchange.






45. Nonvascular plants such as mosses which lack tissue for conducting food or water.






46. Is when expression of genetic traits is determined by weather the trait is inherited from the mother or the father.






47. Occurs when an individual from an adjacent population of the same species immigrates and breeds with a member of a previously locally isolated group - resulting in a change in the gene pool.






48. The size of a cell is limited by the ratio of its surface area to volume.






49. Mass extinctions promote diversification because _______________ - making conditions favorable for the establishment of new - diverse species.






50. Are the organelles where cellular respiration occurs.







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