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Unit 8 review
Review terms from Changes in Ecosystems Unit
| Term | Definition |
|---|---|
| Phototropism | The movement or growth of a plant toward light |
| Geotropism | The growth of plants against or with gravity |
| Hydrotropism | The growth of roots toward water |
| Dormancy | The period of time when a plant will shut down/slow all major life processes |
| Hibernation | The period of time when an animal will slow down life processes to survive a change in temperature |
| Eutrophication | Excess nutrients in the water cause an algal bloom that will lead to plant death and a dead zone. |
| Circadian Rhythm | Internal Clock- the natural periods of being awake or asleep |
| Short Term Changes | Happen quickly and allow no time for organisms to adapt |
| Long Term Changes | Happen slowly over a long period of time and allow for adaptations or migration |
| Global Warming | The increase in the Earth's temperature due to excess greenhouse gases (like CO2) |
| What can cause land pollution? | Trash, waste, fertilizers and chemicals |
| What can we do to stop creating endangered species? | Build national parks or wildlife preserves |
| What negative impacts can climate change have? | Sea level rise, ocean acidification, extreme storms, droughts, melting glaciers |
| As food harvest demands increase what do we need more of? | More land for agriculture |
| Examples of short term changes to the environment | Tornados, oil spill, hurricanes, and other natural disasters |
| Examples of long term changes to the environment | Global warming, melting ice caps, mining, urbanization, deforestation |
| What happens to dissolved oxygen when eutrophication occurs? | The amount of oxygen decreases |
| If yeast if fed sugar (its food) what would happen to its population? | It would increase |
| How does ocean acidification impact the environment? | It makes the ocean more acidic making it harder for organisms to survive |
| What are the impacts of deforestation | Less Oxygen, more CO2, more water runoff, less filtering of water, less homes for animals, more soil erosion |
| Population | All the same species in the same area |
| What is a carbon footprint? | This is the amount of carbon you put into the environment through your daily life |
| Renewable resources | Resources that are clean and can be used again Example: Solar, water |
| Non-renewable resources | Resources that can only be used once Example: Gas, coal |
Created by:
lexi.willis
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