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5 Written questions

5 Matching questions

  1. nephridium
  2. tuber
  3. predation
  4. heart
  5. allelic frequency
  1. a A blood filtration and excretory organ characteristic of segmented worms.
  2. b Term that refers to one organism eating another. Predation covers both carnivorous and herbivorous consumption.
  3. c The frequency with which a particular allele for a certain characteristic appears among all possible alleles for that characteristic in a population
  4. d The muscular organ that pumps blood through the circulatory system. Mammals and birds have a four-chambered heart, with a left atrium and ventricle and a right atrium and ventricle. The right half of the heart receives deoxygenated blood from the body and pumps it to the lungs, while the left half receives oxygenated blood from the lungs and pumps it to the body.
  5. e Fleshy underground storage structure composed of an enlarged portion of the stem that has on its surface buds capable of producing new plants.

5 Multiple choice questions

  1. An organ that stores the bile produced by the liver and releases it to the small intestine during digestion.
  2. The male gametophyte of gymnosperms and angiosperms.
  3. A firm but flexible substance, found in regions of vertebrate skeletons, such as the ribs, that need to bend.
  4. The evolutionary relationships of a genetically similar group of organisms.
  5. The process by which plants and other autotrophic organisms convert light energy into organic materials, such as glucose.

5 True/False questions

  1. genetic codeThe series of codons that make up an organism's DNA.


  2. nitrogenous baseOne of the nitrogen-containing bases in DNA and RNA nucleotides. There are five nitrogenous bases in living organisms. DNA is composed of adenine, thymine, guanine, and cytosine. RNA is composed of adenine, uracil, guanine, and cytosine.


  3. heredityThe largest artery in the body; carries oxygenated blood from the left ventricle of the heart.


  4. vegetative propagationA group of interbreeding organisms in a particular locale exhibiting a unique set of characteristics such as patterns of growth and reproductive strategies.


  5. energy pyramidEnergy in a community can be depicted as a pyramid of food or biomass. The availability of food, biomass, and energy from the trophic level of producers up through each subsequent level on the food web is approximately 10 percent of that available in the previous trophic level.


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