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Ecosystems. Food Chain Food Web. Energy. Pollutants. Hodge Podge. 100. 100. 100. 100. 100. 200. 200. 200. 200. 200. 300. 300. 300. 300. 300. 400. 400. 400. 400. 400. 500. 500. 500. 500. 500. Name 2 living and 2 nonliving things in an ecosystem.
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Ecosystems Food Chain Food Web Energy Pollutants Hodge Podge 100 100 100 100 100 200 200 200 200 200 300 300 300 300 300 400 400 400 400 400 500 500 500 500 500
Explain how an ecosystem can be self-sustaining when there is no human interaction.
As organisms grow they are held in check by other factors in the environment such as depletion of food, disaster, and an increased number of predators.
Explain in you own words the difference between a food web and food chain.
A food web is all food chains in a community. In a food chain, an animal may eat more than one organism.
Producer (grass, green plants)Consumer (grasshopper)Consumer/Scavenger (pill bug)Decomposer (rotting leaf matter)
Give examples of fresh water and salt water ecosystems including producers, consumers, and decomposers.
Examples include:Fresh water: pond snail, fish, eloda plantSalt water: crab, sea snail, seaweed
Which organisms recycle decaying plants and animals into something useful?
Nature recycles decaying plants and animals. How is energy from the soil used in an ecosystem?
It puts nutrients into the soil that nourish new plant growth.
If the rabbits in a forest are overeaten by foxes, what effects would occur due to this scarcity?
The hawks, for example will relocate or die without their main food source.
Too much acid rain changes PH level of the soil and water which disturbs the balance of the ecosystem.
Using a PH scale, Mr. Brancaccio was checking a liquid to find whether it was an acid, base, or neutral. What is indicated if the PH scale range is between 2 and 4?
It burns fossil fuel (gas) and produces dangerous gases out of the tailpipe. It uses many gallons of oil in the engine and transmission for routine maintenance.
What would happen if we fail to reduce the amount of pollutants into the environment? What can we do to be responsible citizens?
The balance of Earth’s ecosystem will be destroyed. RECYCLE! Do More With Less…
Describe how you would test the PH of soil with (PH) litmus paper.
We use models to simulate something larger and predict how they will work in the real world.
Describe a situation when a change in an organism’s habitat could be beneficial.