Chapter 51 and 52 SI Worksheet – 11/29/17

  1. What does the total fertility rate represent?
  1. Has the average fertility rate decreased or increased overtime?
  1. What is the current ecological footprint for a person living in the US?
  1. What is community ecology?
  1. What is commensalism?
  1. What is competition?
  1. What is mutualism?
  1. What is exploitation competition?
  1. What is interference competition?
  1. What does the competitive exclusion principle say?
  1. What is a fundamental niche?
  1. What is a realized niche?
  1. What is niche differentiation?
  1. What is resource partitioning?
  1. What is consumption?
  1. What are some examples of consumption?
  1. The definition of a generation is ___
  2. The average time between a father’s first offspring and his son’s first offspring
  3. The average time between a mother’s first offspring and her daughter’s first offspring
  4. The average time between the parents’ first offspring and their child’s first offspring
  5. 20 years
  1. Which of the following choices would most likely promote random distribution?
  2. Territorial species
  3. Species that secrete chemicals to attract or inhibit other individuals
  4. Spacing during breeding season
  5. Homogenous chemical and physical factors in the environment
  1. All of the following statements about logistic model of population growth are correct EXCEPT:
  2. Populations will increase in size indefinitely
  3. It describes a population density shift overtime
  4. It fits an S shaped curve
  5. It predicts an eventual state in which birth rate equals death rate
  1. Which of the following best describes a cohort?
  2. A group of individuals from the same age group, from birth until they are all dead
  3. The reproductive males and females within the population
  4. A group of individuals that inhabits a small isolated region within the range for the species
  5. The number of individuals that annually die or emigrate out of a population
  6. As N approaches the carrying capacity (K) for a certain population, which of the following is predicted by the logistic growth curve?
  7. The carrying capacity of the habitat will increase
  8. The growth rate (r) will approach zero
  9. The growth rate (r) will not change
  10. The population will increase exponentially
  1. Which population would be most likely to experience exponential growth?
  2. A young population with few individuals
  3. A population with a large number of individuals
  4. A population living in a habitat with a low carrying capacity
  5. A population living in a habitat with limited resources
  1. Which of the following hypothesis explains the scenario: rabbit (primary consumers) populations will crash when lynx (their predators) populations are high?
  2. Predator-prey
  3. Consumer index
  4. Bottom-up
  5. Top-down
  1. Why do populations grow more slowly as they approach their carrying capacity?
  2. Density dependent factors lead to fewer births and increased mortality
  3. Density independent factors lead to fewer births and increased mortality
  4. The incoming energy decreases in populations experiencing a high rate of increase
  5. Individuals voluntarily stop mating so that overcrowding doesn’t occur
  1. Atlantic puffins nest in dens that were formerly occupied by rabbits. The relationship between rabbits and puffins is best described as ____
  2. Commensalism
  3. Parasitism
  4. Competition
  5. Mutualism
  1. The relationship of a disease-causing organism to an infected rabbit is one of ____
  2. Commensalism
  3. Parasitism
  4. Interference competition
  5. Herbivory