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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 more like branching out of a tree with dead ends and new branches appearing simultaneously than like steps on a ladder.






2. Decomposition of living matter for consumption.






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






4. The phylum of insects (bees).






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






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






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






8. 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.






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






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






11. 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






12. The transfer of electrons.






13. Controls balance and muscle coordination






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






15. Subsets below the kingdom level






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






17. An enzyme is unaffected by the reactions it catalyzes






18. Is the waxy protective outer coating of leaves.






19. May be ions or non-protein molecules - they are similar to cofactors - but differ in that they are tightly attached by covalent bonds to the enzyme - rather than being separate atoms or molecules.






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






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






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






23. Contains organisms that are multicellular eukaryotes including molds and mushrooms.






24. Is a phylum that contains sponges.






25. Contain organisms that are multicellular eukaryotes including vertebrates and invertebrates.






26. The large brain and upright posture of Homo Sapiens...






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






28. Is the number of organisms that can be supported within a particular ecosystem.






29. The part of the earth that contains all living things - including the atmosphere (air) - the lithosphere (earth) - and the hydrosphere (water).






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






31. High temperatures






32. Super-class of vertebrae including organisms with jaws.






33. Super-class of vertebrae including organisms with no jaws.






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






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






36. A hydrogen bond involves the ________________ and can be easily broken.






37. Inorganic phosphate






38. The phyla of round worms.






39. 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.






40. 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.






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






42. In both living and non-living environments.






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






44. What phylum are snakes in?






45. Is a molecule that stores information for protein synthesis and genetic coding.






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






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






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






49. 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.






50. Provide rigidity to plant cells (and some bacteria) and are not found within animal cells.