1. What is the correct definition of a species?
  • A.   A group of organisms living in the same place at the same time
  • B.   A group of organisms that can interbreed and produce fertile offspring
  • C.   A group of organisms and their abiotic environment
  • D.   A group of organisms with similar characteristics
2. What is the correct definition of an ecosystem?
  • A.   A group of organisms living in the same place at the same time
  • B.   A group of populations interacting with each other within a given area
  • C.   A group of populations interacting with each other and the abiotic environment
  • D.   A group of populations interacting with each other and the biotic factors
3+4: These questions are about an arctic food web:

DNA_paternity_testing_pedigree_chart

 Cmglee
c.c. BY-SA 3.0
3. Using the food web above, determine the mode of nutrition of the Carnivorous Zooplankton.
  • A.   Autotrophic
  • B.   Saprotrophic
  • C.   Chemoautotrophic
  • D.   Heterotrophic

4. Using the food web above, determine the different trophic levels of an Artic Cod.

I. Secondary Consumer
II. Tertiary Consumer
III. Quaternary Consumer
 
  • A.   I, II and III
  • B.   I only
  • C.   I and II only
  • D.   II and III only
5. What example below describes a detritivore?
  • A.   A paramecium that ingests and digests other single celled organisms
  • B.   A dung beetle that feeds by ingesting the droppings of different animal species and digesting its food internally
  • C.   A lion that hunts prey and feeds on the dead body
  • D.   A mushroom that secretes enzymes and digests its food externally
6. What is the correct definition of a community?
  • A.   A group of individuals of the same species living together
  • B.   A group of populations of different species living together in the same area
  • C    A group of individuals of different species living together
  • D.   A group of populations of the same species living together in the same area
7. What is the primary process by which nutrients are recycled in an ecosystem?
  • A    Decomposition
  • B.   Photosynthesis
  • C.   Cellular respiration
  • D.   Transpiration

8. What are the most important factors for maintaining sustainability in an ecosystem?

I. Nutrients are recycled
II. Energy is recycled
III. Outside inputs are not needed 
 
  • A.   I only
  • B.   I and II only
  • C.   II and III only
  • D.   I, II and III
9. Why is sampling necessary in collecting ecological data?
  • A.   To study the entire population of a species
  • B.   To make accurate predictions about the future of an ecosystem
  • C.   To avoid disturbing the natural environment
  • D.   To make inferences about a larger population based on a smaller sample size
10. Which of the following statements is true regarding the use of the chi-square test?
  • A.   It is used to determine the direction of the relationship between two variables
  • B.   It is used to determine whether the observed data differs significantly from the expected data
  • C.   It is used to calculate the mean and standard deviation of a population
  • D.   It is used to determine the correlation coefficient between two variables