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vernon 6 Ecology 2.1
review of chapter 2, lesson 1
| Question | Answer |
|---|---|
| An organism that makes its own food | producer |
| Most _______________ are producers | plants |
| An organism that obtains energy by feeding on other organisms | consumer |
| A carnivore that feeds on the bodies of dead or decaying organism | scavenger |
| An organism that gets energy by breaking down biotic wastes and dead organisms, and returns raw materials to the soil and water | decomposer |
| A consumer that obtains energy by eating only plants | herbivore |
| A consumer that obtains energy by eating only animals | carnivore |
| A consumer that obtains energy by eating both plants and animals | omnivore |
| A series of events in an ecosystem in which organisms transfer energy by eating and by being eaten | food chain |
| the pattern of overlapping feeding relationships or food chains among the various organisms in an ecosystem | food web |
| A diagram that shows the amount of energy the moves from one feeding level to another in a food web | energy pyramid |
| What are the names of the three energy roles in an ecosystem? | consumer, producer, decomposer |
| scavenger is not considered to be a ecosystem role - it is considered to be another consumer (True or False) | True |
| How do most producers make their own food? | photosynthesis |
| What is the source of energy for photosynthesis? | sun |
| Nature's recyclers are the scavengers (True or False)' | False |
| Where do decomposers get energy? From the materials they _______________ down. | break |
| Which is a more realistic representation of how energy moves through an ecosystem? Food Chains or Food Webs? | webs |
| In this food web, Which organism is the 2nd level consumer? Acorn ---> Squirrel ---> Owl ---> Mushroom | Owl |
| In this food web, Which organism is the Producer? Acorn ---> Squirrel ---> Owl ---> Mushroom | Acorn |
| In this food web, Which organism is the 1st level consumer? Acorn ---> Squirrel ---> Owl ---> Mushroom | Squirrel |
| In this food web, Which organism is the decomposer? Acorn ---> Squirrel ---> Owl ---> Mushroom | Mushroom |
| An example of a carnivore is ............. | wolves |
| An example of a producer is ............ | algae |
| An example of an omnivore ............ | human |
| An example of an herbivore is ............. | deer |
| An example of a decomposer is ... | bacteria |
| An example of an scavenger is ... | vulture |
| What moves through an ecosystem when one organism eats another? | energy |
| What will eat a second-level consumer? | a third-level consumer |
| Within an energy pyramid, most of the energy is available at the TOP or the BOTTOM of the pyramid? | Bottom |
| Organisms use a energy they consume to carry out their life activities and some of the energy is released as __________ energy | heat |
| In general, only about ___ percent of the energy at one level of a food web is transferred to the next higher level. | 10 |
| Most of the energy at each level is converted to heat. About __ percent of the food energy is converted to heat at each step. | 90 |
| The amount of energy available at the producer level limits the number of consumers that the _______________ is able to support. | ecosystem |
| There are usually fewer organisms at the HIGHER or LOWER level in a food web. | Higher |
Created by:
rozziebobble