Interactions Among Living Things & Energy Flow in Ecosystems

Interactions Among Living Things & Energy Flow in Ecosystems (1.3 & 2.1)

WARM UP 4/2

Objective

How does an organisms adaptations help it to survive? Provide an example :)

Students will be able to understand and explain the different relationships amongst organisms in nature as well as learn about energy roles in different ecosystems in order to describe how energy is moved through an ecosystem.

Interactions Activity: Part 4

Interactions Activity: Part 3

• One at a time, each group raise your index card to the class

• People from different groups, raise your hand and explain why or why not each card belongs in that group in relation to the picture

Go back to your seats

Quietly reflect on this activity by choosing one of the following options

• Write a few sentences explaining one of the pictures that is around the room. Use key vocabulary that describes the picture you chose

• Draw a picture of an example of one of the following and write a sentence or two explaining your drawing and its components
• Natural selection, competition, predation, symbiosis, mutualism, commensalism, parasitism

THIS WILL BE SUBMITTED FOR A GRADE

Write the objective when you are finished with the warm up

Interactions Activity: Part 2

Interactions Activity: Part 1

Talk amongst the people in your group to answer the following questions:

• Why did you choose this picture to stand in front of?
• What is the word on your card describing in relation to the picture?

• Each of you has a post card with a word on it
• Around the room are pictures that your word is associated with
• Stand in front of the picture that you think your word is describing

A nice video

http://studyjams.scholastic.com/studyjams/jams/science/ecosystems/food-webs.htm

After this lesson

• Draw a picture or
• Write a detailed description of a food web
• Explain the different components of your food web. Use the following vocabulary to label your food web:

Herbivore, omnivore, carnivore, decomposer, scavenger, food chain

HOMEWORK: DUE AS A HARD COPY, MONDAY APRIL 7TH

Producers & Consumers

A producer is an organism that can make its own food

A consumer is an organism that obtains energy by feeding on other organisms

What are the roles of the organisms in this picture?

Scavenger

What is each organism classified as in terms of what they eat ?

A carnivore that feeds on the bodies of dead animals

Decomposer

An organism that breaks down waste and dead organisms

• An herbivore is a type of consumer that only eats plants
• A carnivore is a type of consumer that only eats animals
• An omnivore is a type of consumer that eats plants and animals

Energy Flow in Ecosystems