Engage: The 10% deliver Explore: Who"s eating Whom? describe 1: Food Chains explain 2: Food Webs define 3: Go with the Flow. . . The the Arrows! Elaborate: creating Food Chains, Webs, and Energy Pyramids

If you room a runner, you desire to monitor the 10% rule. You have to never boost your weekly usage by more than 10% native week come week.

You are watching: What do the arrows in a food chain represent?

Some people believe that we just use 10% of our brains. In reality this is a misconception. We use every one of our brain.

In part states, you should pay a 10% earnings tax.

On plenty of TV display competitions, just the optimal 10% the the contestants move to the next level.

So what specifically is 10%, and also what does that represent?

You deserve to think of 10% together one part of ten parts.

For example, if you had actually 10 glasses of water, one glass that water would stand for 10 percent, or one-tenth.

You can additionally write it together a decimal.

10% = .1

 Do you require a intuitive of 10%? It would look prefer this!



What would it look prefer if you moved 10% of the fluid into another container?It would look favor this!


And what would certainly it look favor if you moved 10% that the liquid in the 2nd container?

What would certainly 10% of 10% look at like?Here is an instance :


In an ecosystem, about 10% of one organism"s energy is transferred to another organism once it is eaten.

The flow of power from one biology to one more is visualized in a food chain.

Explore: Who"s eating Whom?

Go on one adventure, and also explore the organisms that live in Antarctica.Build a food internet that shows just how food chain are associated in an ecosystem.Click top top the snapshot below to start the adventure!

*Note*The activity will open in a brand-new window. Top top completion, near the window to return to this page.



define 1: Food chain

An necessary abiotic variable within an neighborhood is energy. Power is transferred once one organism is consumed by an additional organism. A food chain is one easy way to diagram the flow of energy in a community.Click top top the snapshot to watch the video clip to learn around food chains.

The video will open up in a brand-new window. After the video plays, nearby the home window to return to this page.Record note from the video in your science notebook or use the Cornell notes located in the “Related Items” section below.

As you watch the video, consider the adhering to questions:

How does power flow in a food chain?What is the ultimate source of power in a food chain or food web?What 2 things carry out all organisms need to grow and also survive?Why is only 10% that the energy consumed by an biology passed come the next level?
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Image courtesy the Richard Kern
explain 2: Food webs

All the food chain in an ecosystem are interconnected and also are represented by a food web. Food webs show the interdependence amongst organisms. A food web for an ecosystem is an extremely complex.


Some food webs include decomposers. Decomposers include organisms such together bacteria and fungi. Decomposers breakdown dead and also decaying essential matter.

Watch the following video to learn about food webs.Click ~ above the picture to clock the video.




The video will open up in a brand-new window. After the video plays, close the window to go back to this page. Record notes from the video in your science notebook or use the Cornell notes situated in the “Related Items” ar below.As you watch the video, think about the adhering to questions:

How are food chains pertained to a food web?Why room food webs for this reason complex?What is the prominence of understanding the circulation of energy within one ecosystem?
Cite Source
Image courtesy of Richard Kern
define 3: Go through the Flow. . . The the Arrows!

Arrows ~ above a food chain, or food web, represent the flow the energy. The location of the arrows in a food chain or food net is an extremely important. The arrows constantly show the direction the the power as the is transferred from one biology to another.

The flow of energy can likewise be represented within one energy pyramid.Notice how the food chain deserve to be modeled in an power pyramid.

All organisms, straight or indirectly, acquire their energy from the Sun.Energy flows from the bottom to the peak layer of the pyramid.Approximately 10% of an organism’s power is transferred to another organism.Some call it the 10% Rule.


Recall the beakers that water uncovered in the connect reading. If the water in the beakers stood for the energy being transferred from one trophic or feeding level to the next, just how would the energy pyramid look?


Do girlfriend Need much more Help?The following video clip provides added help through the exactly placement the the arrows in a food web.

Video courtesy of mark Drollinger
Elaborate: producing Food Chains, Webs, and also Energy Pyramids
Food Chains, Food Webs, and Energy Pyramids

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