Ecology A Review

Which of the following is an economic effect of an invasive species?

• Loss of biodiversity of native species
• Less tourism
• Diseases which spread to humans
• Overpopulation 

Which of the following is a major environmental concern when ecosystems change?

• Loss of jobs
• Loss of biodiversity
• Successsion
• Non-native species

Which of the following is NOT a characteristic of an invasive species?

• Comes into a new area
• Causes harm to environment, economy and human health
• Breeds rapidly/reproduces quickly
• Has limited diet

What two factors are used to describe a biome?

• Temperature & Precipitation
• Temperature & Soil
• Precipitation & Weather
• Location & Organisms

Which of the following is an abiotic factor found in an ecosystem?

• Moss
• Rainfall
• Insects
• Tress

Which of the following is a biotic factor found within an ecosystem?

• Rocks
• Snowfall
• Bacteria
• Soil

Which type of organisms are always found at the beginning of any food chain or food web?

• Sun
• Producers
• Consumers
• Decomposers

Which trophic level feeds primarily on producers?

• Primary Consumers
• Secondary Consumers
• Tertiary Consumers
• Decomposers

Which type of organism consumes dead and decaying matter?

• Producers
• Decomposers
• Primary Consumers
• Quaternary Consumers

Which trophic level is consumed by tertiary consumers?

• Producers
• Primary Consumers
• Secondary Consumers
• Decomposers