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Forest Ecosystem SE - highschool ag work
Agriculture Irrigation Technology (MCAG B5 )
Bakersfield College
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Name: Kayla Ramirez Date: 5/18/
Student Exploration: Forest Ecosystem
Directions: Follow the instructions to go through thprompts in the orange boxes. e simulation. Respond to the questions and
Vocabulary: consumer, decomposer, inorganic, organic, organism, population, producer Prior Knowledge Questions (Do these BEFORE using the Gizmo.)
When a rancher puts cattle in a pasture, what happens to the amount of grass in it? The grass will get shorter or just disappear because cows eat grass.
If someone adds thousands of small fish to a lake, how would the number of big fish change? the population of the big fish will go up because the big fish eat little fish.
Gizmo Warm-up The Forest Ecosystem Gizmo shows you the effects of adding organisms thing. To start, do the following:to, or taking them from, a forest. An organism is any living ● Click Advance year a couple times to see two years of growth. ● Remove alluntil none remain. Deer from the forest by clicking the minus ( - ) button ● Click Advance year a couple more times.
- Select the DATA tab. Selectpast several years. Pictograph and click the Tree to show the size of the tree population for the
A. How did removing deer affect the tree population? the tree population increased B. Why do you think this happened? there wasn’t any deer eating it 2. Under Choose organism , select the Mushroom. A. How did losing deer affect the mushrooms? mushrooms increased B. Explain why this may have happened. no one was eating it Reproduction for educational use only. Public sharingor posting prohibited. © 2020 ExploreLearning™ All rights reserved
Activity A: Trees
Get the Gizmo ready: ● Click● Select the FOREST tab. Reset.
Question: What role do trees play in the forest? 1. Form hypothesis: Where do you think trees get the nutrients they need to grow? they get their nutrients from the sun. 2. Predict: Based on your hypothesis, how will the tree popbears, and mushrooms) are removed from the forest? ulation change if ALL other organisms (deer, i don’t think the population will change at all. it may even grow a little bit. 3. Analyze: Remove ALL organisms except trees. Clicktab. Was your prediction correct? Explain what you found Advance year. a few times and select the DATA the population of trees grew for a little bit but it stayed steady for the rest of the years. 4. Draw conclusions: Substances that contain carbon and organic. Examples of organic materials are sugar, blood, protein,are produced by living things are called and fat. Other materials, like water, carbon dioxide, oxygen, and ammonia, are calledproduce the organic materials they need (like food) from inorganic inorganic matter. All other organisms are living things, called producers , can consumers ; they consume organic matter since they cannot make it themselves. Do your results show you that trees are producers or consumers? Explain. i would say the trees are producers because they prodand sunlight. uce their own energy using water 5. Analyze: Click the FOREST tab. Click the plus ( year a few times. Select the DATA tab. How did adding mushroo + ) button for mushrooms ms affect trees?several times. Click Advance it didn’t do much, the population stayed the same. 6. Extend: The mushrooms thrived without hurting trees. Write your ideas in the space below. How could this happen? Try for two possible Because mushrooms are decomposers and thrive becausewon't harm trees. of dead things means that they
Reproduction for educational use only. Public sharingor posting prohibited. © 2020 ExploreLearning™ All rights reserved
Forest Ecosystem SE - highschool ag work
Course: Agriculture Irrigation Technology (MCAG B5 )
University: Bakersfield College
