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Lesson 3
Matter and Energy in Ecosystems
| Question | Answer |
|---|---|
| a pathway that energy and nutrients can follow through an ecosystem | food chain |
| ____________ make up the first level of a food chain. | Producers |
| Different types of animals may share ___________ ______________. | food sources |
| Producers get _____________ from consuming. | energy |
| ________________ get energy from breaking down dead things. | Decomposers |
| A pond, desert or forest is an _______________. | ecosystem |
| a complex organization of interdependent parts | ecosystem |
| Every ecosystem involves the flow of ___________ and cycling of nonliving _____________ through a web of producers, consumers and decomposers. | energy, resources |
| interconnected food chains are an example of a ____________ _________. | food web |
| model that shows how energy flows between organisms in an ecosystem | food web |
| Food web __________ depends on various factors. | diversity |
| How predators control the population size of lower-level consumers is an example of __________ _________ ______________. | food web diversity |
| Arrows in a food web diagram show the direction of ___________ ______. | energy flow |
| Energy flow is stored in a _____________ or ____________. | plant, animal |
| List, in order, the three levels of the food chain. | producer, consumer, decomposer |
| Example of a producer | flower |
| example of a consumer | bunny |
| example of a decomposer | bacteria |
| Arrange the organisms into a food chain in order using arrows -->: iguana, flower, snake, grasshopper | flower --> grasshopper --> iguana --> snake |
| When an organism obtains energy, most of the energy is used for ______ ______________. | life processes |
| Some of the energy that organisms obtain is given off to the environment as ___________. | heat |
| Only the small amount of energy stored in an organism's body can be used by a ______________ that eats the organism. | eats |
| representation of the energy available at each level of a food web | energy pyramid |
| The ___________ of the energy pyramid shows that there is __________ energy available at each level. | shape, less |
| The number of organisms that can be supported at each level is limited by the amount of ____________ available. | energy |
| The energy available in ecosystems is constantly _______________. | changing |
| the movement of water around the Earth | Water cycle |
| when water vapor turns into liquid | condensation |
| A ____________'s job is to eat other animals. | consumer |
| A ____________'s job is to produce their own food and pass it on, | producer |
| A _______________'s job is to help decay and put energy and matter into soil. | decomposer |
| Name 3 states of water | solid, liquid, gas |
| When the Sun heats the surface of lakes and oceans, what occurs? | evaporation |
| the process when water vapor turns into liquid | condensation |
| Water returns to the Earth's surface in the water cycle by ______________________________. | flowing into streams and rivers |
| the primary source of energy for the water cycle | The Sun |
Created by:
akontostergios