Aim: How do consumers obtain their food?

• Briefly describe what you see is taking place in the image on the left.

Herbivores

• Animals that eat plants or producers or autotrophs

• Primary consumers

Carnivores

• Animals that eat other animals or meat• 2 types: predators: kill & eat other animals

scavengers: eat animals that are already dead Ex) vultures

• Could be secondary or tertiary consumers• Could be top predators

Decomposers

• Part of consumers• Use O2 to decompose by decomposition

aerobic process• Eat wastes & dead organisms & decompose or

break down the wastes & dead material into simple materials like CO2 & nitrogen compounds recycle into the air or soil!

• Function at all levels of a food chain

Group Activity

• Analyze the following food chains. List the different types of consumers in it & state what types of consumers they are.

• Grassmousesnakedecomposer• Grassmousehawkdecomposer• Grassmouseowldecomposer• Grasscricketfrogowldecomposer

Individual Work

• Create a food web using the food chains.

• Grassmousesnakedecomposer• Grassmousehawkdecomposer• Grassmouseowldecomposer• Grasscricketfrogowldecomposer

Video

• https://www.brainpop.com/science/ecologyandbehavior/foodchains/

Homework

• Discuss what types of consumers are found in a balanced aquarium.

• In addition, discuss what abiotic & biotic factors are present in an aquarium.

• Does any recycling take place in an aquarium?• Is this an ecosystem?

Aquarium