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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. Refers to the birthrate of a population.






2. A sex-linked recessive disorder carried on the x chromosome in which an individual cannot perceive certain colors.






3. 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






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






5. The class composed of birds.






6. Carbon - Hydrogen - Oxygen - and Nitrogen






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






8. Niche






9. Between the endoderm and ectoderm - layer that will eventually form the muscles - and organs of the skeletal - circulatory - respiratory - reproductive - and excretory systems.






10. 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.






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






12. Are easily converted to ATP - but the main energy products of the Krebs cycle liberate electrons then used in the electron transfer reactions.






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






14. 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






15. Inorganic phosphate






16. High temperatures






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






18. 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






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






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






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






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






23. Assumes that there are periods of stability during which little evolutionary change occurs - and that speciation can occur rapidly over a very short period of time.






24. 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






25. 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.






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






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






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






29. In DNA Guanine pairs with...






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

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






32. The pharynx is between the nasal passage and the trachea. Air passes into the body via the nasal passage - then passes through the pharynx and on to the trachea.






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






34. Is a kingdom that includes algae and protozoa.






35. Is the waxy protective outer coating of leaves.






36. 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.






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






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






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






40. Developed by the German scientists Schleiden and Schwann - States that all living things are made of cells - cells are the basic units of life - all cells come from pre-existing cells.






41. Breaking down






42. Subsets below the kingdom level






43. Occurs when an individual from an adjacent population of the same species immigrates and breeds with a member of a previously locally isolated group - resulting in a change in the gene pool.






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






45. Engages in both passive and active transport.






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






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






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






49. Energy transformations that occur as chemicals are broken down or synthesized within the cell.






50. Covers and protects the leaf.