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Ecology II
| Question | Answer |
|---|---|
| What are the 2 types of energy? | Kinetic, Potential |
| What is kinetic energy? | energy in motion |
| What is potential energy? | stored energy |
| What is photosynthesis? | the chemical reaction where green plants use water, light from the sun, and carbon dioxide to make glucose and oxygen. |
| What are food chains? | A food chain uses pictures or words and arrows to show the movement of energy in an ecosystem |
| What is a trophic level? | A trophic level indicates the position that the organism occupies in the food chain |
| What do arrows do in a food chain? | point TO the animal that is doing the eating! |
| What is a aquatic food chain? | a food chain that is water-related with sea plants and animals |
| What is a a terrestrial food chain? | a food chain that is land related with plants and animals |
| What is a food web? | a group of interconnecting food chains |
| What do food webs describe? | the complex patterns of energy flow in an ecosystem |
| What is a energy pyramid? | A pyramid that shows the amount of energy that moves from one trophic level to another in a food chain |
| The most energy is available at the _______ level of the pyramid | producer |
| The availability of energy _________ as it moves up the energy pyramid | decreases |
| What are the levels of consumers in a energy pyramid in order from bottom to top? | Primary, Secondary, Tertiary, Quaternary |
| What is the 10% rule? | Only about 10% of energy is passed to the next level of pyramid |
| What happens to the remaining 90% ? (Referring to the 10% rule) | It is lost as heat in the enviroment |
| What is a joule? | A measurement of energy, think of calories |
| What is a dichotomous key? | A method for determining the identity of something by going through a series of choice. In the end, you arrive at the correct name of the item |
| What does dichotomous mean? | Divided in to two parts |
| Biomagnification | Process where a substance increases in concentration as it moves through the food chain |
| Toxin | A chemical pollutant |
Created by:
carolineconner
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