Ecosystems and Food Chains Quiz

Play an AI-generated podcast conversation about this lesson

Which of the following is an example of a primary consumer?

Rabbit (correct)

Shark

Fox

Eagle

Detritivores are organisms that only feed on living plants.

False

What is the role of decomposers in an ecosystem?

Decomposers break down dead organic matter and extract remaining energy.

The second level in a food chain is occupied by ______.

Secondary consumers Signup and view all the answers

Match the following terms with their correct definitions:

Producers = Organisms that produce energy from sunlight Primary Consumers = First level of consumers in a food chain Trophic Levels = Feeding levels in a food web Food Web = A network of interrelated food chains Signup and view all the answers

What is the primary source of energy for ecosystems?

Energy from the Sun Signup and view all the answers

Energy from the Sun is only necessary during certain seasons for ecosystems to function properly.

False Signup and view all the answers

What process do green plants use to capture sunlight and convert it into chemical energy?

Photosynthesis Signup and view all the answers

Energy in a food chain is passed from species to species when _____ eat plants.

herbivores Signup and view all the answers

Match the following life processes to their descriptions:

Cellular Respiration = Process by which organisms convert glucose into energy Moving = Physical activity performed by organisms Growing = Increase in size or mass of an organism Reproduction = Process by which organisms produce new individuals Signup and view all the answers

What is the term used for the ecological role and space that an organism fills in an ecosystem?

Niche Signup and view all the answers

Herbivores are animals that eat only other animals.

False Signup and view all the answers

Name one abiotic factor in an ecosystem.

Water Signup and view all the answers

Plants and algae are known as __________ because they trap the energy in sunlight and produce their own food.

Producers Signup and view all the answers

Match the type of consumer with their feeding behavior:

Herbivores = Eat only plants Carnivores = Eat only meat Omnivores = Eat both plants and meat Scavengers = Eat remains of dead animals Signup and view all the answers

What percentage of energy is typically passed from one trophic level to the next?

10% Signup and view all the answers

The Pyramid of Biomass shows an increase in total mass of organisms as one progresses towards the top of the food chain.

False Signup and view all the answers

What is the primary purpose of ecological pyramids?

To describe the energy flow among the trophic levels. Signup and view all the answers

The grass captures ______ kJ of energy from the sun in the energy flow example.

15,000 Signup and view all the answers

Match the following ecological pyramids with their descriptions:

Pyramid of Energy Flow = Shows energy availability decreases with each trophic level. Pyramid of Numbers = Illustrates the number of organisms at each trophic level. Pyramid of Biomass = Represents the total mass of organisms at each trophic level. Producers = Organisms that capture energy from the sun. Signup and view all the answers

What trend is observed in the Pyramid of Numbers as you move up the food chain?

The number of organisms decreases Signup and view all the answers

The Pyramid of Biomass shows that the total biomass increases from producers to top consumers.

False Signup and view all the answers

What is the main difference between the Pyramid of Numbers and the Pyramid of Biomass?

The Pyramid of Numbers shows the number of organisms at each trophic level, while the Pyramid of Biomass shows the total biomass at each trophic level. Signup and view all the answers

The total biomass of producers is generally greater than the total biomass of __________.

herbivores Signup and view all the answers

Match the following examples with their corresponding categories in the ecosystem:

Tree = Producer Praying mantis = Consumer Pinecone = Producer Beetle = Consumer Signup and view all the answers

What process do producers use to convert carbon dioxide into glucose?

Photosynthesis Signup and view all the answers

The carbon cycle operates independently from other biogeochemical cycles.

False Signup and view all the answers

Name one type of carbon compound that glucose is converted into by plants.

Cellulose Signup and view all the answers

During photosynthesis, plants take in ________ from the atmosphere.

carbon dioxide Signup and view all the answers

Match the following terms with their definitions:

Producers = Organisms that perform photosynthesis Carbon Cycle = Process of carbon moving through an ecosystem Photosynthesis = Conversion of carbon dioxide and water into glucose Biogeochemical Cycles = Processes that recycle nutrients in the environment Signup and view all the answers

What is the primary source of carbon for water plants in aquatic ecosystems?

Carbonates Signup and view all the answers

Deforestation decreases the amount of carbon dioxide in the atmosphere.

False Signup and view all the answers

What are two natural sources that can disrupt the carbon cycle?

Forest fires and volcanoes Signup and view all the answers

Burning fossil fuels releases carbon dioxide into the Earth's __________.

atmosphere Signup and view all the answers

Match the following carbon pools with their characteristics:

Ocean = Holds dissolved CO₂ Air = Contains 0.03% CO₂ Biosphere = Contains living organisms Fossil Fuels = Burned for energy production Signup and view all the answers

Which process involves organisms converting carbon compounds into energy?

Photosynthesis Signup and view all the answers

Which of the following processes is primarily responsible for converting nitrogen gas into ammonia?

Nitrogen fixation Signup and view all the answers

Only producers carry out cellular respiration.

False Signup and view all the answers

What is released back into the atmosphere by decomposers?

carbon dioxide Signup and view all the answers

Plants and phytoplankton solely produce oxygen through photosynthesis without any assistance from bacteria.

False Signup and view all the answers

During photosynthesis, plants convert ______ and water into glucose and oxygen.

carbon dioxide Signup and view all the answers

What is the chemical formula for oxygen gas?

O2 Signup and view all the answers

The process of converting nitrogen gas into ammonia is called __________.

nitrogen fixation Signup and view all the answers

Match the following stages of the carbon cycle with their descriptions:

Producers = Conduct photosynthesis Primary Consumers = Eat plants Secondary Consumers = Eat herbivores Decomposers = Break down dead matter Signup and view all the answers

Match the following processes with their descriptions:

Photosynthesis = Process where plants convert carbon dioxide and water into glucose and oxygen Cellular respiration = Process that consumes oxygen and releases carbon dioxide Nitrogen fixation = Conversion of nitrogen gas into a usable form for plants Nitrification = Conversion of ammonia into nitrites and nitrates Signup and view all the answers

Which of the following human activities contributes to an increase in carbon dioxide in the atmosphere?

Deforestation Signup and view all the answers

Combustion of fossil fuels decreases the amount of carbon dioxide in the atmosphere.

False Signup and view all the answers

What is the primary natural source of carbon dioxide release associated with volcanic activity?

Breakdown of rocks containing carbon compounds Signup and view all the answers

Deforestation reduces the amount of plants available for __________.

photosynthesis Signup and view all the answers

Match the following carbon cycle disturbances with their descriptions:

Deforestation = Reduces plants for photosynthesis Fossil Fuels = Releases CO2 from ancient remains Volcanic Activity = Releases CO2 from the Earth Combustion = Burning plant material releases CO2 Signup and view all the answers

Ecosystems and Food Chains Quiz

Choose a study mode

Podcast

Questions and Answers

Which of the following is an example of a primary consumer?

Detritivores are organisms that only feed on living plants.

What is the role of decomposers in an ecosystem?

The second level in a food chain is occupied by ______.

Match the following terms with their correct definitions:

What is the primary source of energy for ecosystems?

Energy from the Sun is only necessary during certain seasons for ecosystems to function properly.

What process do green plants use to capture sunlight and convert it into chemical energy?

Energy in a food chain is passed from species to species when _____ eat plants.

Match the following life processes to their descriptions:

What is the term used for the ecological role and space that an organism fills in an ecosystem?

Herbivores are animals that eat only other animals.

Name one abiotic factor in an ecosystem.

Plants and algae are known as __________ because they trap the energy in sunlight and produce their own food.

Match the type of consumer with their feeding behavior:

What percentage of energy is typically passed from one trophic level to the next?

The Pyramid of Biomass shows an increase in total mass of organisms as one progresses towards the top of the food chain.

What is the primary purpose of ecological pyramids?

The grass captures ______ kJ of energy from the sun in the energy flow example.

Match the following ecological pyramids with their descriptions:

What trend is observed in the Pyramid of Numbers as you move up the food chain?

The Pyramid of Biomass shows that the total biomass increases from producers to top consumers.

What is the main difference between the Pyramid of Numbers and the Pyramid of Biomass?

The total biomass of producers is generally greater than the total biomass of __________.

Match the following examples with their corresponding categories in the ecosystem:

What process do producers use to convert carbon dioxide into glucose?

The carbon cycle operates independently from other biogeochemical cycles.

Name one type of carbon compound that glucose is converted into by plants.

During photosynthesis, plants take in ________ from the atmosphere.

Match the following terms with their definitions:

What is the primary source of carbon for water plants in aquatic ecosystems?

Deforestation decreases the amount of carbon dioxide in the atmosphere.

What are two natural sources that can disrupt the carbon cycle?

Burning fossil fuels releases carbon dioxide into the Earth's __________.

Match the following carbon pools with their characteristics:

Which process involves organisms converting carbon compounds into energy?

Which of the following processes is primarily responsible for converting nitrogen gas into ammonia?

Only producers carry out cellular respiration.

What is released back into the atmosphere by decomposers?

Plants and phytoplankton solely produce oxygen through photosynthesis without any assistance from bacteria.

During photosynthesis, plants convert ______ and water into glucose and oxygen.

What is the chemical formula for oxygen gas?

The process of converting nitrogen gas into ammonia is called __________.

Match the following stages of the carbon cycle with their descriptions:

Match the following processes with their descriptions:

Which of the following human activities contributes to an increase in carbon dioxide in the atmosphere?

Combustion of fossil fuels decreases the amount of carbon dioxide in the atmosphere.

What is the primary natural source of carbon dioxide release associated with volcanic activity?

Deforestation reduces the amount of plants available for __________.

Match the following carbon cycle disturbances with their descriptions:

More Like This

Ecosystems and Food Chains Quiz

Biology Chapter: Ecosystems and Food Chains

Ecosystems and Food Chains

Ecosystems and Food Chains Quiz