Biodiversity Review

Question 2 (DOK 1): What is the area of this graph called where the population reaches its maximum level?

• Demographics
• Exponential Lunch Shift
• Carrying Capacity
• S- Curve

Question 3 (DOK 1): Which of these would best explain why the microbial population begins to decrease after a period of time?

• organisms moved away to find new mates
• the graph actually never shows the population decreasing
• extra food was introduced into the area
• organisms began to die as the population was larger than could be supported by the limiting factors

Question 4 (DOK 2): If the bird population is directly proportional to the average monthly temperature, which month would have the LOWEST temperature?

• January
• August
• October
• December

Question 5 (DOK 2): In the graph, the density-independent limiting factor is most likely

• Parasitism
• Disease
• Predation
• Seasonal Cycles
• Availability of food

Question 6 (DOK 2): If a population grows larger than its environmental carrying capacity, then

• death rate may fall significantly.
• birth rate may rise significantly.
• immigration rate may increase.
• death rate may rise.

Question 7 (DOK 2): An isolated population of great purple hairstreaks, a species of butterfly, lives in a damp meadow. The larvae feed only on a species of mountain clover plant that lives in the meadow. The adult does not fly far from the clover plants as well. One rainy summer, a fungus causes most of the clover plants to die. As a result of the absence of clover, the hairstreak population in this location will MOST LIKELY

• decrease to a level near extinction.
• increase and flourish.
• switch to a different type of food.
• evolve immediately into a new species of butterfly.

Question 8 (DOK 3): The graph shown is from one of the most well-known and on-going ecological studies ever performed. Isle Royal National Park, an island on Lake Superior, keeps data of populations of wolves and moose living there. The moose are a major food source for the wolves. Analyze the graph data to conclude how the moose population affects the population of wolves.

• As wolf population falls, moose populations fall with a delayed effect.
• The wolf carrying-capacity rises as moose populations increase, but with a delayed effect.
• As moose populations increase, wolf populations immediately increase.
• Moose populations don't really show any relationship to wolf carrying capacity.

Question 9 (DOK 2): Which factor would INCREASE the carrying capacity for white-tailed deer in an Eastern temperate forest ecosystem?

• The re-introduction of the American chestnut tree, which produces many seeds, and used to live in North Carolina.
• The construction of new roads and increased traffic through woodland areas.
• The re-introduction of the Eastern cougar into North Carolina.
• A large migration of the closely related mule deer, into the East.

Question 10 (DOK 2): The carrying capacity of any population will stay the same

• even though the birth rate exceeds the death rate.
• unless environmental conditions change.
• as long as predators do not increase.
• regardless of emigration and immigration.

Question 11 (DOK 2): How can a population decrease in size?

• increased death rate and immigration
• emigration and increased birthrate.
• immigration rate equal to the emigration rate
• decreased birthrate and emigration.