Population Ecology & Carbon Cycle Quiz

What term best describes a group of different species living together in the same area?

• Organism
• Community
• Biome
• Population

What term best describes the picture below.

• Organism
• Population
• Biosphere
• Community

Which of the following is a density-independent limiting factor?

• Predation
• Parasitism
• Disease
• Hurricane

Which of the following is a density-dependent limiting factor?

• Deforestation

• Competition

• Forest Fire

• Hurricane

Wolves are predators of rabbits. The graph shows their population over several generations. What type of limiting factor is this?

• Density-Independent
• Density-Dependent

What is carrying capacity?

• The highest population of a species
• The amount of weight that an organism can carry
• The amount of food needed for a population
• The average amount of organisms that an ecosystem can support for a long period of time.

Mosquitos are unable to survive in very cold temperatures. When temperatures drop below 55 degrees, many mosquitos die. What type of limiting factor is this?

• Density-Independent
• Density-Dependent

A drought has caused a water hole to dry up. What type of limiting factor is this?

• Density-Independent
• Density-Dependent

Which of the following could increase the carrying capacity of a population?

• Increase in parasites
• Reduction of water
• Increase of food sources
• Reduction of space

Which of the following could reduce the carrying capacity of a population?

• less mates

• less disease

• Increase of food sources
• increase of space