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






2. 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






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






4. An enzyme is unaffected by the reactions it catalyzes






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






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






7. When the water concentration inside and outside the cell is equal - It is said to be in an...






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






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






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






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






12. Covers and protects the leaf.






13. 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






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






15. 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.






16. Where protein synthesis occurs. They float unattached in the cytoplasm. They contain RNA that is specific to their function in protein formation.






17. An orienting response to light.






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






19. 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






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






21. Niche






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






23. Most fossils of Hominids are from continents other than...






24. The phyla of round worms.






25. Contains many genes and is a structure comprised of linear DNA and associated proteins.






26. 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






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






28. Are formed when the plasma membrane of a cell encloses a molecule outside the membrane - then releases a membrane bound sack containing the desired molecule into the cytoplasm. This process allows the cell to absorb molecules that are larger in size






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






30. Plants and animals obtain usable nitrogen






31. Is a social behavior of an organism that is beneficial to the group at the individual's expense.






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






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






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






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






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






37. Occurs when an individual learns not to respond to a particular stimulus - for instance when a stimulus is repeated many times without consequence.






38. All store energy within their chemical bonds.






39. 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






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






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






42. Process in which elements - chemical compounds - and other forms of matter are passed from one organism to another and from one part of the biosphere to another.






43. Fossilized burrows from multicellular organisms begin to appear in the geological record approximately 700 million years ago during the Precambrian period. These multicellular animals had only soft parts and could not be fossilized.






44. The individual we recognize as an adult fern.






45. 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).






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






47. A suffix meaning 'to break apart.' O || ||






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






49. The vocal cords are found in the larynx.






50. Is the outermost of the three main layers of an embryo.







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