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5 Written questions

5 Matching questions

  1. symbiosis
  2. gene flow
  3. tropism
  4. olfactory epithelium
  5. cold-blooded
  1. a Long-term growth of a plant toward or away from a stimulus.
  2. b Animals that are unable to retain heat produced by metabolic activities. Also known as ectothermic. The metabolism of cold-blooded animals is greatly influenced by climate and temperature.
  3. c A type of interaction within a community that falls into one of three categories: a parasitic relationship benefits one organism and hurts the other; a commensal relationship benefits one and does not affect the other; a mutualistic relationship benefits both organisms.
  4. d Region near the top of the nasal cavity with chemoreceptors and neurons that inform the sense of smell.
  5. e The movement of genes, within a population or between populations, through mating.

5 Multiple choice questions

  1. A rough polysaccharide that constitutes the cell wall of fungi and exoskeleton of arthropods.
  2. The process in which haploid sperm cells form through meiotic division.
  3. A haploid plant or plant structure that produces haploid gametes through mitosis.
  4. Four small glands embedded on the posterior surface of the thyroid gland. The parathyroid glands produce a hormone that regulates the level of calcium in the bloodstream.
  5. The maximum number of individuals in a population that can be sustained in a given environment. As populations become increasingly concentrated, competition for food and space, predation, and disease all determine carrying capacity.

5 True/False questions

  1. chemosynthesisSynthesizing organic compounds by energy derived from chemical reactions rather than from the energy of the sun. Chemosynthetic organisms are autotrophs.

          

  2. electron transport chainThe final stage of aerobic respiration. The electron transport chain establishes an electrochemical gradient across the inner mitochondrial membrane that powers the synthesis of ATP in oxidative phosphorylation.

          

  3. natural selectionThe theory, first proposed by Darwin, which holds that organisms produce as many offspring as possible, which compete for limited resources. Organisms' characteristics vary, and certain characteristics will allow organisms to survive and reproduce more effectively. These adaptive characteristics will be more prevalent in subsequent generations. Natural selection is the engine of evolution, choosing the most fit genes to pass from one generation to the next.

          

  4. Calvin cycle
    The monomer of a protein. A central carbon attached to an amino group (-NH2), a carboxyl group (-COOH), and a hydrogen atom (-H). The fourth group is variable and defines the amino acid's chemical identity.

          

  5. disaccharideA sugar compound consisting of two carbohydrate monomers.