Plant Insects Fish Frog Bear People

Food Chain and Food Web  Definition of Food Chain  Types of Food Chain  Definition of Food Web You will be able to learn-

The cyclic transfer of food from producer to highest consumers and the relation of food and its consumers are known as food chain. Usually two types of food chain are found in nature: 1.Grazing or Predator Food Chain: It starts from the producer, goes to grazing herbivorous and gradually moves from the smaller carnivores to the bigger. It is known as grazing or predator food chain. E.g. Grass deer tiger.

Predator and Prey Prey Predator

2. Saprophytic or Detritus Food Chain: Decomposers split up dead bodies of plants and animals, these are taken as food by some animals and then the decomposers are converted into foods of other animals. Such as - Dead body decomposer Amoeba Hydra, zooplankton fish.

Different types of Food Chains

10 More Food Chain Producer ( trapped sunlight & stored food) 1 st order Consumer 2 nd Order Consumer 3 rd Order consumer 4 th Order Consumer

11 More Food Chains copyright cmassengale

12 Food Web

In a particular ecosystem, more than one food chains exists. When the members of different food chains become interrelated, then it is called food web.

copyright cmassengale14 Feeding Relationships Energy flows through an ecosystem in one direction from producers to various levels of consumers

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Question and answering session

A Food Chain Plant Insects Fish Frog Bear People Home work: Write down the consumers label