Ecology Chapter 3 Study Guide

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What is the term for the series of steps in which organisms transfer energy by eating or being eaten?

Ecological pyramid

Trophic level

Food web

Food chain (correct)

What is the percentage of available energy passed to organisms at the next trophic level according to the 10% rule?

50%

5%

20%

10% (correct)

What type of pyramid shows the relative number of individual organisms at each trophic level?

Biomass Pyramid

Pyramid of Numbers (correct)

Energy Pyramid

Trophic Pyramid

What is the process by which atmospheric nitrogen is converted into ammonia?

Nitrogen Fixation Signup and view all the answers

What is the process by which water goes from a liquid to a gas, forming clouds?

Evaporation Signup and view all the answers

What is the term for the nutrient that limits an organism's growth when it is in short supply?

Limiting Nutrient Signup and view all the answers

What is the term for the building blocks of all living things, making up organic molecules such as lipids, proteins, carbohydrates, and nucleic acids?

Carbon Signup and view all the answers

What occurs when a large input of a limiting nutrient enters an aquatic ecosystem?

Algal Bloom Signup and view all the answers

What is the term for the parts of the Earth that store carbon, such as oceans and fossil fuels?

Carbon reservoir Signup and view all the answers

What is the process by which ammonia is converted into nitrite or nitrate?

Nitrification Signup and view all the answers

What is the term for the rate at which organic matter is created by producers?

Primary Productivity Signup and view all the answers

What is the process by which nitrite or nitrate is converted back into atmospheric nitrogen?

Denitrification Signup and view all the answers

Ecology Chapter 3 Study Guide

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Questions and Answers

What is the term for the series of steps in which organisms transfer energy by eating or being eaten?

What is the percentage of available energy passed to organisms at the next trophic level according to the 10% rule?

What type of pyramid shows the relative number of individual organisms at each trophic level?

What is the process by which atmospheric nitrogen is converted into ammonia?

What is the process by which water goes from a liquid to a gas, forming clouds?

What is the term for the nutrient that limits an organism's growth when it is in short supply?

What is the term for the building blocks of all living things, making up organic molecules such as lipids, proteins, carbohydrates, and nucleic acids?

What occurs when a large input of a limiting nutrient enters an aquatic ecosystem?

What is the term for the parts of the Earth that store carbon, such as oceans and fossil fuels?

What is the process by which ammonia is converted into nitrite or nitrate?

What is the term for the rate at which organic matter is created by producers?

What is the process by which nitrite or nitrate is converted back into atmospheric nitrogen?

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