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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 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.






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






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






4. Are cells involved in immunity and are produced in bone marrow as stem cells.






5. Are produced when water passes through the cell membrane by osmosis from an area of higher concentration to an area of lower concentration - to equalize water concentration.






6. Refers to the birthrate of a population.






7. Secretes insulin to lower blood sugar and maintain equilibrium. A person eats three candy bars. Within minutes this endocrine gland affects blood-glucose homeostasis.






8. The phyla of round worms.






9. 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.






10. Covers and protects the leaf.






11. Is comprised of all the organisms that interact within a given ecosystem whether or not it is at carrying capacity.






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






13. Inorganic phosphate






14. Controls hunger and thirst






15. Is composed of a double layer (bilayer) of phospholipids with protein globules imbedded within the layers. The construction of the membrane allows it to aid the function of the cell by permitting entrance and exit of molecules as needed by the cell.






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






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






18. An orienting response to light.






19. Are more closely related to Homo Sapiens than to other apes - but Homo Sapiens did not evolve from chimpanzees.






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






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






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






23. 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.






24. Are the organelles where cellular respiration occurs.






25. Carbon - nitrogen - phosphorous - and water. These are all recycled through biogeochemical processes.






26. Is a phylum that contains sponges.






27. What phylum are snakes in?






28. Occurs when two populations are geographically isolated from each other. Over time this results in the production of two separate species.






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






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






31. 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).






32. Stood upright before there was an increase in brain size.






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






34. Plants and animals obtain usable nitrogen






35. The individual we recognize as an adult fern.






36. Is a compound fruit that forms from several ovaries of separate flowers that fuse together during ripening (strawberry - or pineapple).






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






38. Ended with the extinction of the dinosaurs.






39. Sex-linked recessive disorder carried on the x chromosome defined by the absence of one or more proteins required for blood clotting






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






41. The phyla of sponges.






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






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






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






45. 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






46. Some patrol the blood for antigens - but are also equipped to destroy antigens. They may regulate immune responses as well.






47. The physical place where a particular organism lives. It must include all the factors that will support its life and reproduction.






48. All store energy within their chemical bonds.






49. Is a phylum that contains jellyfish - hydra - etc.






50. Transfers water and does not require sieve plates to allow nutrients through.







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