Energy Flow in the Ecostyem 5.2 Lecture

Energy Flow in an Ecosystem

​TOPIC 5 LESSON 2
BY: Mr. Trujillo

Question:

How is energy past from one organism to another?

Open Ended

How is energy past from one organism to another?

Quick Vocabulary Review

Producer Vs. Consumer

• Producer/Autotrophic - An organism that can make its own food.

• Consumer/Heterotrophic - An organism that CANNOT make its own food.

Question

What is another word for producer?

Multiple Choice

What is another word for producer?

• Consumer

• Autotroph

Types of Eaters

• Herbivore - Eats only plants (producers/autotrophs)

• Carnivores - Eats only meat (consumers/heterotrophs)

• Omnivores - Eats both plants and meat

Question

What type of organism eats only producers?

Multiple Choice

What type of organisms eats only producers?

• Autotrophs

• Carnivores

• Herbivores

Question:

What do you the arrows represent in a food chain?

Multiple Choice

What do the direction of arrows represent in food chain?

• The direction of energy flowing

• What the organism reproduces with

• Who eats what

Question

Why does the producer have to always be first in a food chain?

Open Ended

Why do producers always have to be first in a food chain?

Question

What is the name of the organism that eats the primary consumer?

Multiple Choice

What is the name of the organism that eats the primary consumer?

• Producer

• Primary Consumer

• Secondary Consumer

• Tertiary Consumer

Food WEBS!

Many food chains together (this is an accurate representation of an enviroment)

Food Webs

• Food webs are a stable representation of an environment.
  

• Many of these animals have an alternative sources of food if one becomes unavailable.

Question

Which is more stable? Food chains or food webs

Multiple Choice

Which is more stable?

• Food Chain

• Food Webs

Energy Pyramid

* Show how much energy is passed from one organism to the next.

Question

True or False: There is more energy at the top of the energy pyramind

Multiple Choice

True or False: There is more energy at the top of the energy pyramid than the bottom.

• True

• False

Question

What percentage of energy is passed from one trophic level to the next?

Multiple Choice

What percentage of energy is passed from one trophic level to the next?

• 10%

• 50%

• 75%

• ALL OF IT!

Open Ended

Write one thing you learned from this lesson today.