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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. 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.






2. Plants and animals obtain usable nitrogen






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






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






5. 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.






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






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






8. Studied the relationships between traits expressed in parents and offspring and the genes that caused the traits to be expressed.






9. Is a phylum that contains sponges.






10. The vocal cords are found in the larynx.






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






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






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






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






15. The phyla composed of segmented worms.






16. Is a protein - which is a polymer of amino acids. They generally have the suffix -ase- like lactase.






17. The class composed of birds.






18. Is found in the root cap and is responsible for quick growth in the roots.






19. 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.






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






21. Absorb a photon of light and is found in the grana of the chloroplast.






22. 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.






23. An opportunistic life strategy strategy. Lichens invading a bare rock area after a volcanic eruption is an example.






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






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






26. The phylum of insects (bees).






27. Cleave strands of DNA segments at certain sites.






28. The phyla of round worms.






29. 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.






30. Allows for the genetic code to be preserved in future generations of cells.






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






32. The sharp boundary of an ecosystem.






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






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






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






36. 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.






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






38. 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






39. Engages in both passive and active transport.






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






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






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






43. 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






44. Enzymes are usually __________ to certain reactions.






45. Disease causing






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






47. In both living and non-living environments.






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






49. In DNA Guanine pairs with...






50. 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).







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