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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 jaws.






2. Refers to the birthrate of a population.






3. The phylum of insects (bees).






4. Breaking down






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






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






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






8. Are membrane-bound organelles that contain digestive enzymes that digest dead or unused material within the cell or materials absorbed by the cell for use.






9. Is the control of protein synthesis. Genetic traits are expressed and specialization of cells occur as a result of the combination of proteins produced by the DNA of a cell.






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






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






12. 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.






13. Is a kingdom that includes algae and protozoa.






14. The phyla of sponges.






15. The destruction of gametes - (sex cells such as sperm and eggs).






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






17. Has an equal (50%) chance of being passed from a carrier mother to a son or a daughter.






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






19. Decomposition of living matter for consumption.






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






21. The phyla composed of segmented worms.






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






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






24. Controls hunger and thirst






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






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






27. Are tubes constructed of a geometrical arrangement of microtubules in a pinwheel shape. Their function includes the formation of new microtubules - but is primarily to form the structural skeleton around which cells split during mitosis and meiosis.






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






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






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

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31. The process of forming eggs and sperm cells in the reproductive organs.






32. Layer that will become the skin - some endocrine glands - and the nervous system.






33. In both living and non-living environments.






34. 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.






35. Proposes that those individuals within a population that are most adapted to the environment are also the most likely individuals to produce viable offspring.






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






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






38. Contains optic lobes - controls sight.






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






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






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






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






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






44. 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).






45. Are the organelles where cellular respiration occurs.






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






47. The class composed of birds.






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






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






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