Energy Flow in Ecosystems

Energy Flow in an Ecosystem

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.