Ecology Practice Test

Based on this energy pyramid, what trophic level has the most biomass?

• primary producers
• primary consumers
• secondary consumers
• tertiary consumers

Deer and rabbits both live in the forest and both are herbivores. When they compete for food this is considered to be what type of competition?

• Interspecific competition
• Intraspecific competition
• Commensalism
• Predation

When fossil fuels are burned this element is released back into the atmosphere....

• Carbon
• Hydrogen
• Nitrogen
• Phosphorus

After a fire destroys a forest, this would most likely the first species to appear

• lichens on rock
• small grass and weeds from seeds that birds dropped
• Vines and shrubs
• Deciduous trees

Which of the following is a density independent limiting factor?

• Drought due to lack of rainfall
• Overpopulation
• Competition
• Disease

The biome that we live in is called the

• temperate rainforest
• temperate forest
• tiaga
• coniferous forest

A species that migrates to an area that it does not live in normally, reproduces quickly, and alters the ecosystem is called a(n)

• endangered species
• invasive species
• predatory species
• intrusive species

Snowy owls, mosses, and the permafrost ground would be considered

• a population
• a community
• a biome
• an ecosystem

Which of these animals is an omnivore according to this food web?

• Antelope squirrel
• Red tailed hawk
• Grasshopper mouse
• Red harvester ants

Put the steps listed below in the correct order for primary succession.

• 2, 3, 1, 4, 5
• 3, 1, 4, 2, 5
• 3, 1, 2, 4, 5
• 3, 2, 1, 5, 4