Download Quiz Sept 10 1. Which biotic factor can ultimately limit the distribution

Quiz Sept 10
1. Which biotic factor can ultimately limit the distribution of a species?
a) climate
b) predators c) pollinators d) a+b e) a+c f) b+c g) all of the above h) none of the above
2. In aquatic environments, the distribution of species is influenced by a) distance from shore
c) water depth d) a+b e) a+c f) b+c g) all of the above h) none of the above
3. Which is true of natural selection?
a) individuals evolve
b) some variation is heritable
c) a+b d) neither a nor b
4. According to our discussion in class, swine flu is likely to become a) more lethal
5. Swine flu’s mode of transmission is a) droplet
b) airborne
b) light penetration
b) less lethal
c) a+b d) neither a nor b
6. A chainsaw is not alive because a) it does not carry on respiration b) it does not move
c) a+b d) neither a nor b
7. Why do fewer photons strike the Earth at the North Pole than the Equator?
a) because the Earth rotates on its axis
b) because the photons must pass through more atmosphere at the Pole, due to the Earth curvature c) a+b d)
neither a nor b
8. In a temperate lake in summer, the warmest water is a) at the bottom
b) in the middle c) on top
9. A transition between river and sea is a a) wetland b) estuary c) intertidal zone d) pelagic zone
10. Coastal regions with rainy winters, long dry summers, shrubs and small trees are
c) tundra
d) taiga
a) chaparral
b) savanna
11. The largest terrestrial biome is
a) tropical forest
b) desert
c) savanna
d) chaparral
temperate grassland
f) northern coniferous forest
g) temperate broadleaf forest
h) tundra
e)
Quiz Sept 17
1. Lake Yoa
a) is in Australia b) was saline 6000 years ago
c) shows an increase in salt-water chironomids over
time
d) a+b e) a+c f) b+c g) all of the above
h) none of the above
2. You repeat Terry Erwin’s experiment using a different tree species and discover 100 unique beetle species in the tree
canopy. How many beetle species would be present in this tree? a) 100 b) 150
c) 200 e) 2000 f) 30 million
g) none of these
3. Which pattern of dispersion is most often found in nature? a) random
b) clumped
4. Which type of survivorship curve shows a constant death rate over the entire life span
c) uniform
a) I
b) II
c) III
5. The movement of water between storages would be measured with which unit?
a) Km3
b) km3/yr
c) km2
d) km2/yr
6. What is the expected population size for the next generation if N t = 8, B = 10, I = 4,D=3, and E = 2?
a) 14
b) 15 c) 16
d) 17 e) none of the above
7. Which leads to density dependent population regulation?
a) storms
b) disease
c) a+b d) neither a nor b
8. Which is an example of a tradeoff in a life history trait? a) kestrels with larger broods have higher survival rates
females that reproduce in summer are more likely to survive the winter
c) a+b d) neither a nor b
9. What is an assumption of the mark/recapture method? a) organisms don’t move after they are released
don’t die after they are released c) a+b d) neither a nor b
b)
b) organisms
10. Which model has a carrying capacity? a) exponential
b) logistic
11. Which is true about age structure?
a) a smaller base indicates slower growth
b) a large peak of the pyramid
indicates rapid growth c) it is the relative number of individuals of each age in the population
d) a+b e) a+c f)
b+c
g) all of the above
h) none of the above
Quiz Sept 24
1. Which of the following interactions is negative for both individuals?
a) predation
b) parasitism
c) interspecific competition
d) a+b e) a+c f) b+c g) all of the above
h) none of the above
2. Species richness is
a) the proportion of individuals of each species in a community
b) the number of different species in a community c) a+b d) neither a nor b
3. Which of the following is not a density dependent factor?
c) migration
d) a+b e) a+c f) b+c g) all of the above
a) bad weather b) predation
h) none of the above
4. Which is true about the top-down model of community organization?
a) increasing vegetation increases herbivore
abundance
b) control moves down from one trophic level to the one below it
c) decreasing one trophic level increases the one below, while increasing one trophic level decreases the one below
d) a+b e) a+c f) b+c g) all of the above
h) none of the above
5. In Antarctica, decreasing E. antarcticus caused S. lindsayae to a) increase b) decrease
c) had no effect
6. Using the exponential model, if r = 0.5 and N = 6, what will be the population at the beginning of the next generation?
a) 3
b) 4
c) 5
d) 6
e) 7
f) 8
g) 9
h) 10 i) none of these
7. Using the logistic model, if r = 2, N = 5 and K = 10, what will be N/T?
g) 9
h) 10 i) none of these
a) 3
b) 4
c) 5
d) 6
8. Using the logistic model, which is more likely to cause a population crash?
a) high value of r
b) low value of r
9, The death rate in South Africa has increased in the past decade among which age group? a) 0-20
b) 20-40
c) 50 and above d) a+b e) a+c f) b+c g) all of the above
h) none of the above
10. In which intertidal zone does Balanus competitively exclude Chthamalus barnacles?
a) upper
b) lower
c) a+b d) neither a nor b
11. Did you put your last name first, and bubble in your name on the Scantron sheet?
a) yes
b) no
e) 7
f) 8