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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 compound fruit that develops from many ovaries of a single flower fusing together (raspberry).






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






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






4. Is an accidental change of the DNA sequence of the gene that can result in creating a change of trait that is not found in the parent.






5. 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






6. In order to become an established part of an island ecosystem there must be a populations large enough to ensure _________ - a food source - a suitable habitat - and a source of moisture.






7. 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






8. When stems bend toward the light it is due to _____________ the hormone auxin - in response to light - migrates from the light to the dark side of the shoot tip. The cells on the dark side now contain more auxin - which causes the cells on that side






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






10. Is a packet of digestive enzymes that destroy cellular wastes.






11. The role played by an organism in its food chain.






12. Is a phylum that contains sponges.






13. Controls balance and muscle coordination






14. Covers and protects the leaf.






15. Controls olfactory lobes (smell)






16. Is the waxy protective outer coating of leaves.






17. Is a special protein that acts as a catalyst for organic reactions.






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






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






20. Is a behavior that is learned during a critical point (often very early) in an individual's life. Imprinting enables the young the recognize members of their own species.






21. Is composed of an anterior and posterior lobe. The stalk of the lobe is connected to the hypothalamus. Antidiuretic Hormone (AH) is produced in the hypothalamus and stored in the posterior pituitary. Upon nervous stimulation from the hypothalamus - t






22. Ended with the extinction of the dinosaurs.






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






24. The cells of a developing embryo (at the gastrula stage) differentiate into layers - that will later develop into different tissues and organs - including the mesoderm - ectoderm - and endoderm.






25. Breaking down






26. Some enzymes contain a __________ component that is essential to their functions.






27. Produce adrenaline. This hormone is a well-known constrictor of blood vessels.






28. Plants and animals obtain usable nitrogen






29. Is a coenzyme required in the synthesis of collagen.






30. The individual we recognize as an adult fern.






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






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






33. 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






34. Is the process that releases energy for use by the cell.






35. A length of DNA (with corresponding histones) is responsible for the production of a certain protein that causes a particular trait to be expressed in an organism.






36. Protein synthesis






37. 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.






38. Mitochondria - they constitute the center of cellular respiration.

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39. Is made of stacked cells connected by sieve plates that allow nutrients to pass from cell to cell. They transport food made in the leaves (by photosynthesis) to the rest of the plant).






40. Refers to the birthrate of a population.






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






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






43. Is a kingdom that includes algae and protozoa.






44. Are the organelles where cellular respiration occurs.






45. The phyla of sponges.






46. A sex-linked recessive disorder carried on the x chromosome in which an individual cannot perceive certain colors.






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






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






49. Disease causing






50. Is the sugar that lactase acts upon.







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