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For the following questions, use the trophic pyramid.

13. When the grasshoppers eat the grass, they receive 10,000 kcal of energy. How much of that energy do they store in their bodies?
a. 1,000 kcal
b. 10,000 kcal

14. What percent of the original 10,000 kcal that the grasshoppers eat is stored in the grasshopper's bodies?
a. 10%
b. 100%

15. Out of the 10,000 kcal of grass that the grasshopper eats, what does the grasshopper do with the rest of the kcal that are not stored?

16. What is biodiversity?

17. Why is biodiversity important for the stability of an ecosystem? What could happen if too many species are lost?

18. Explain two ways biodiversity is important for humans.

19. What is the greenhouse effect? Explain and/or draw a model below.

20. Describe two human activities that have enhanced the greenhouse effect to cause global warming (include CO2 in your discussion).

21. Describe two ways global warming/climate change affects humans and/or ecosystems.

22. Describe two solutions to address global warming and reduce CO2 levels.

Answer :

Final answer:

Grasshoppers store about 1,000 kcal of the 10,000 kcal they consume, translating to a 10% storage rate. The rest is used for energy with no remaining kcal stored. Biodiversity plays a critical role in ecosystem stability, and loss of species can have dire consequences for both ecosystems and humanity.


Explanation:

Energy Storage in Grasshoppers

When grasshoppers eat grass, they utilize a portion of the energy stored in the plant. In this case, if the grasshoppers consume 10,000 kcal of energy from the grass, they will store around 1,000 kcal of that energy in their bodies. This is due to the 10% rule of energy transfer in ecological pyramids, where typically only about 10% of the energy is passed up to the next trophic level.

Proportion of Energy Stored

Out of the original 10,000 kcal consumed, grasshoppers store roughly 10% of this energy (which is 1,000 kcal). The rest is used for metabolic processes or lost as heat, waste, and movement.

Energy Utilization

The remaining energy, which in this case would amount to 9,000 kcal, is expended largely through daily activities such as locomotion and digestion, as well as lost in the form of heat, representing the energy that is not stored.

Biodiversity Importance

Biodiversity refers to the variety of life in a particular habitat or ecosystem. It is crucial for the stability of ecosystems as it helps in maintaining ecological balance, enables resilience to changes, and supports a plethora of ecosystem services. Loss of too many species can lead to ecological collapse, negatively affecting food webs and habitat integrity.

Impact on Humanity

Biodiversity supports humans by providing food, medicine, and ecosystem services such as pollination and water purification. Additionally, healthy ecosystems store carbon, thus contributing to climate regulation.

Greenhouse Effect

The greenhouse effect is the trapping of heat in the Earth’s atmosphere by greenhouse gases (like CO2), which prevents the heat from dissipating back into space. This is a natural process that keeps our planet warm enough to support life, but human activities have enhanced this effect.

Human Activities Impacting Climate

Two significant human activities contributing to the enhancement of the greenhouse effect include the burning of fossil fuels (which releases CO2) and deforestation (which reduces the number of trees that can absorb CO2).

Effects of Global Warming

Global warming affects humans and ecosystems by leading to extreme weather, rising sea levels, and altering habitats, which can threaten species survival and human livelihoods.

Solutions to Global Warming

To combat global warming, solutions like reducing fossil fuel use (e.g., shifting to renewable energy sources) and enhancing energy efficiency can significantly lower CO2 levels.


Learn more about Energy Transfer in Ecosystems here:

https://brainly.com/question/1698070


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Rewritten by : Barada