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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. Super-class of vertebrae including organisms with no jaws.






2. Refers to the birthrate of a population.






3. Protein synthesis






4. Are surrounded by capillaries that allow for carbon dioxide to diffuse into the lungs and oxygen to diffuse out.






5. Contains optic lobes - controls sight.






6. Most chemical pollutants accidentally ingested by humans are __________ - mixed with broken down pigments in the bile - then bile is secreted into the small intestine - proceeds to the large intestine - and is expelled in the feces.






7. Controls olfactory lobes (smell)






8. Is the outermost layer of cells of the stem.






9. Consists of undifferentiated cells capable of quick growth and specialization. It is responsible for elongation of the stem.






10. Veins in the leaf and are also distributed throughout the stem






11. Is an abundant element found in protoplasm. Together with oxygen - hydrogen - and nitrogen - it composes over 90% of cellular structure.






12. Is the period when the cell is active in carrying on the function it was designed to perform within the organism. Cells spend much more time in interphase than in cell division.






13. Fruits that develop from a single ripened ovary (apple - olive - acorn - cucumber).






14. Is a phylum that contains sponges.






15. (of some plants or fungi) feeding on dead or decaying organic matter






16. Carbon - Hydrogen - Oxygen - and Nitrogen






17. Plants and animals obtain usable nitrogen






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






19. Contains the chromosomes and is the site of reproduction through mitosis and meiosis.






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






21. 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






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






23. A type of innate behavior (instinct.) The FAP is a preprogrammed response to a particular stimulus (known as a releaser stimulus). FAP's include courtship behaviors and feeding of young. These are not learned behaviors - they are automatically perfor






24. The process whereby cells build molecules and store energy (in the form of covalent chemical bonds).






25. Inorganic phosphate






26. Respiratory organs within insects






27. A reaction that adds water to another compound. (2 hydrogens - 1 oxygen).






28. Is weaker than ionic - covalent - disulfide - or double bonds.






29. 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






30. The solid mass of cells resulting from the cleavage of the ovum before the formation of a blastula.






31. Has extreme cold temperatures - low precipitation - modified grassland - perma-frost - a short growing season and some plants and animals.






32. Bacteria break ammonia into nitrites - then into nitrates that are usable by plants; volcanic activity produces ammonia and nitrates that enter the soil and can be absorbed by plants; lightning reacts with atmospheric nitrogen to form nitrates that a






33. 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.






34. Subsets below the kingdom level






35. Must be present for photosynthesis to occur - it is not used up in the process.






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






37. Are the monomers that form nucleic acids - containing a sugar - phosphate group - and a nitrogenous base.






38. The phyla composed of segmented worms.






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






40. Small - green - heart-shaped gametophyte plant form of a fern that can make its own food and absorb water and nutrients from the soil






41. In both living and non-living environments.






42. Develops from the morula as a thin layer of cells surrounding an internal cavity.






43. Controls sensory and motor responses - and controls memory - speech - and intelligence factors.






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






45. Produce seeds without flowers. They include conifers (cone-bearers) and cycads.






46. Is the waxy protective outer coating of leaves.






47. The most recent and present era. It includes the radiation of flowering plants - the angiosperms.






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






49. Has extreme hot or cold temperatures - with very low precipitation - sandy or rocky terrain - sparse vegetation (mainly succulents) - small animals - rodents - and reptiles.






50. Are organic cofactors or coenzymes that are required by some enzymatic reactions.







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