Food Webs and Food Chains

What is a food chain?

• A food chain is a linear sequence that shows how energy and nutrients flow from one organism to another in an ecosystem.

• A food chain is a circular pattern of food consumption among organisms.

• A food chain is a diagram that represents the physical structure of an ecosystem.

• A food chain is a list of all the organisms in a habitat.

What is mutualism?

• A type of relationship where one organism benefits and the other is harmed.

• A type of symbiotic relationship where both organisms benefit from the interaction.

• A relationship where both organisms are unaffected by each other.

• A type of competition between two species for resources.

What is biodiversity?

• Biodiversity refers to the variety of life in a particular habitat or ecosystem.

• Biodiversity is the number of species that can be found in a single organism.

• Biodiversity is the study of the interactions between different species.

• Biodiversity refers to the genetic variation within a single species.

What is parasitism?

• A type of mutualistic relationship where both organisms benefit.

• A type of symbiotic relationship where one organism benefits at the expense of the other.

• A relationship where organisms compete for the same resources.

• A type of commensalism where one organism is unaffected.

What is commensalism?

• A type of symbiotic relationship where one organism benefits and the other is neither helped nor harmed.

• A relationship where both organisms benefit from each other.

• A relationship where one organism is harmed while the other benefits.

• A type of interaction where both organisms are negatively affected.

What is a food web?

• A simple chain of organisms that eat one another.

• A complex network of feeding relationships among various organisms in an ecosystem.

• A type of food that is prepared in a specific way.

• A diagram that shows the energy flow in a single species.

What does it mean if an organism is endangered?

• A species that is thriving and increasing in population.

• A species that is in immediate danger of becoming extinct.

• A species that is protected by law but not at risk of extinction.

• A species that has recently been discovered and is not yet classified.

What is an ecosystem?

• An ecosystem is a community of living and nonliving things in an environment, together with their interactions.

• An ecosystem is a type of plant that grows in water.

• An ecosystem is a group of animals that live in the same habitat.

• An ecosystem is a system of government that manages natural resources.

What is a secondary consumer?

• An organism that produces its own food

• An organism that eats primary consumers; they can be carnivores or omnivores.

• An organism that decomposes organic material

• An organism that only eats plants

What is a primary consumer?

• An organism that eats primary producers; they are usually herbivores.

• An organism that produces its own food through photosynthesis.

• An organism that feeds on secondary consumers.

• An organism that decomposes organic material.