Proprie orange DS. Vocabulary: consumer, ecosystem, energy pyramid, equilibrium, food chain, population, predator, prey,
producer
Prior Knowledge Questions (Do these BEFORE using the Gizmo.)
The Food Chain Gizmo shows a food chain with hawks, snakes, rabbits, and grass. In this simulation, the
hawks eat snakes, the snakes eat rabbits, and the rabbits eat grass.
1. Producers are organisms that do not need to eat other organisms to obtain energy.
A. Which organism is a producer in this food chain?
B. Where does the producer get its energy?
2. Consumers must eat other organisms for energy. Which organisms are consumers in this food chain?
MOVE HAS
NODNEMOVE
Gizmo Warm-up
The SIMULATION pane of the Gizmo shows the current population, or number of
each organism in the food chain.
1. What are the current populations of each organism?
Hawks
Snakes:
Rabbits:
Grass
2. Select the BAR CHART tab, and click Play ( ). What do you notice about
each population as time goes by?

In this GIZMO, your job is to arrange the LARGE organs in order from beginning to end.

BEFORE you do this, look at each of the organs listed. Place your cursor over each organ to

learn more about it.

ACTIVITY A: BUILD A DIGESTIVE SYSTEM

Now it’s time to design and build your own digestive system!

Start with the LARGE organs tab to build a basic system.

Click on the SMALL organ tab and read about each part.

Click and drag each of the SMALL organs to the proper location.

Follow the directions below.

Question Type Your Response

Which organs allow nutrients to be

absorbed?

Which organ stores and compacts waste

before it is eliminated?

Which TWO organs help to break down food

mechanically (physically)?

Which muscle contains ACIDS to help break

down food chemically?

Which muscle contracts to move food from

the mouth to the stomach?

Explanation:

a fossil fuel is a fuel formed by natural processes, such as anaerobic decomposition of buried dead organisms, containing energy originating in ancient photosynthesis.[1] the age of the organisms and their resulting fossil fuels is typically millions of years, and sometimes exceeds 650 million years.[2] fossil fuels contain high percentages of carbon and include petroleum, coal, and natural gas.[3] other commonly used derivatives include kerosene and propane. fossil fuels range from volatile materials with low carbon to hydrogen ratios like methane, to liquids like petroleum, to nonvolatile materials composed of almost pure carbon, like anthracite coal. methane can be found in hydrocarbon fields either alone, associated with oil, or in the form of methane clathrates.

the theory that fossil fuels formed from the fossilized remains of dead plants by exposure to heat and pressure in the earth's crust over millions of years was first introduced by andreas libavius "in his 1597 alchemia [alchymia]" and later by mikhail lomonosov "as early as 1757 and certainly by 1763".[4] the first use of the term "fossil fuel" was by the german chemist caspar neumann, in english translation in 1759.[5]

in 2017 the world's primary energy sources consisted of petroleum (34%), coal (28%), natural gas (23%), amounting to an 85% share for fossil fuels in primary energy consumption in the world.[6] non-fossil sources in 2006 included nuclear (8.5%), hydroelectric (6.3%), and others (geothermal, solar, tidal, wind, wood, waste) amounting to 0.9%.[7] world energy consumption was growing at about 2.3% per year. in 2015 about 18% of worldwide consumption was from renewable sources.[8]

they both go up but then go back down. they both end lower than they started. lastly, they both are competitive/the second on.

explanation: