Grade 5 Science: Biotic Factors

Grade 5 Science: Biotic Factors

Read each question carefully and answer to the best of your ability.

Biotic factors are all the living or once-living parts of an ecosystem. This includes plants, animals, fungi, and bacteria. They interact with each other and with non-living (abiotic) factors to form a complete ecosystem.

1. Which of the following is an example of a biotic factor?

2. Organisms that produce their own food are called:

1. All the living things in an ecosystem are called   factors.

2. Animals that eat other animals are called  .

3. Fungi and bacteria are examples of   because they break down dead organisms.

1. Biotic factors do not interact with abiotic factors.

2. Plants are producers because they make their own food.

1. Name three different biotic factors you might find in a forest ecosystem.

2. Explain why decomposers are important biotic factors in an ecosystem.

Look at the food web below. Identify the producers, consumers, and decomposers.

Producers:  

Consumers:  

Decomposers: