Ecology #1

What is an ecological model of the relationships that form a network of complex interactions among organisms in a community from producers to decomposers?

• food web
• an ecosystem
• food chain
• a population

What does a food web represent?

• All connections of energy flow throughout all organisms in a habitat.
• The specific ways that mutualism is carried out.
• A single pathway or energy flow between organisms. 
• How carnivores get their food. 

Which of the following would be the definition of a detritivore?

• Animals that eat insects.
• Organisms that feed on rocks, recycling the nutrients back into the ground.
• Organisms that eat only pants
• Things that feed on dead organisms, recycling the nutrients back into the ground.

An illustration that uses arrows to show the many possible directions in which matter and energy can pass through the organisms in an ecosystem.

• Food chain
• Food web
• Energy Pyramid
• Succession Map

Water temperature would be an example of ...

• A biotic factor
• An abiotic factor

A collection of organisms that belong to different populations but all live in the same area and interact with one another.

• Population
• Ecosystem
• Community
• Ecosphere

A collection of organisms that make up a community as well as all of the nonliving aspects of the environment.

• Population
• Community
• Habitat
• Ecosystem

Organisms that feed on both living producers and other consumers.

• Carnivores
• Omnivores
• Herbivores
• Detritivores

Organisms that can capture energy from inorganic, nonliving sources.

• Producers
• Consumers
• Detritivores
• Carnivores

An organism at the second trophic level would be considered a...

• Top carnivore
• Producer
• Herbivore
• Carnivore