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- 1. Multiple ChoiceBarnacles create home sites by attaching themselves to whales. This neither harms nor benefits the whales.commensalismparasitismmutualism
- 2. Multiple ChoiceOxpeckers feed on the ticks found on rhinoceros. Both species benefit.commensalismparasitismmutualism
- 3. Multiple ChoiceA flea feeds on a mouse's blood to the mouse's detriment.commensalismparasitismmutualism
- 4. Multiple Choice
What is the order of succession shown in this figure?A, B, C, DB, A, D, CC, D, A, BD, A, B, C - 5. Multiple ChoiceWhat type of succession is shown going from figure A to figure B?primary successionecological successionsecondary successionintermediate
- 6. Multiple Choicethe process by which a new community forms where no community lived beforeresourceinvasive (non- native) speciesprimary successioncompetition
- 7. Multiple ChoiceWhich of the following is known as the "sedimentary" cycle because its reservoir is sedimentary rock?Sulfur cycleNitrogen cyclePhosphorus cycleCarbon cycle
- 8. Multiple ChoiceIdentify the cycle pictured.The Water cycleThe Carbon cycleThe Nitrogen cycleThe Phosphorus cycle
- 9. Multiple ChoiceHow do animals get nitrogen?the atmosphereeating other organismsrainwaterlightning
- 10. Multiple Choice
A team of ecologists observed feeding patterns of several populations in the desert. Which of the following best explains the difference in the amount of available energy in the trophic levels of the desert ecosystem?
There is less energy in the producers because they are at the bottom.
There is more energy in the producers because they provide energy for all the consumers in the ecosystem.
There is more energy available in the tertiary consumers because they need the energy to hunt.
There is more energy in the level containing the top predators because they are larger in size.
- 11. Multiple ChoiceIn an energy pyramid, energy_______ as you move up the pyramid.IncreasesDecreasesStays the sameChanges up and down
- 12. Multiple ChoiceIn the energy pyramid here, how much of the energy in the producers gets passed to the herbivores?10%20%80%90%
- 13. Multiple ChoiceIf there is 1000 Kcal available in the producers in trophic level 1, how much energy is available in the herbivores in trophic level 2?10 Kcal1 Kcal100 Kcal1000 Kcal
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