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problem 1: What is the outcome when a single cell reproduces through mitosis?

a) Two cells with genetic material similar to parent cell
b) Two cells with half the genetic material of parent cell
c) Four cells with half the genetic material of parent cell
d) Four cells with genetic material similar to parent cell

problem 2: At night, moths travel toward the light. Which kind of behavior does this describe?

a) Habituation
b) Imprinting
c) Innate behavior
d) Learned behavior

problem 3: A field ecologist wishes to find out the interactions of different populations of organisms living in a big grassland field. Which technique is best for conducting this study?

a) Consulting with the local farmers regarding the diversity of organisms in the field.
b) Dividing the field in half, walking over it, counting organisms and then doubling the numbers.
c) Walking over the whole field, collecting the organisms and then compiling the total.
d) Observing the behaviors of various types of organisms several times throughout the year.

problem 4: Which environmental factor would cause the biggest decrease in the number of species of plants and animals living in some of lakes in United States?

a) Raise in dissolved oxygen levels
b) Global warming
c) Ozone destruction
d) Acid rain

problem 5: If global deforestation is not regulated, what could most likely outcome?

a) Acid rain could lower the pH of rivers and lakes to dangerous levels for aquatic life.
b) CO2 levels in the atmosphere could raise and contribute to global warming problems.
c) Plants and animals could become better adapted to living in desert conditions.
d) Future generations of humans could have a surplus of wood and paper products.

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  • Category:- Biology
  • Reference No.:- M99029

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