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- 1. Multiple ChoiceWhy is nitrogen necessary for the survival of plants?It is needed to produce food.It is needed to make protein.It is needed for reproducing.It is needed for photosynthesis.
- 2. Multiple ChoiceHigh average daily temperature and heavy annual precipitation are found in adesertgrasslandrainforesttundra
- 3. Multiple ChoiceWhich biome has the MOST vegetation?foresttundradesertgrassland
- 4. Multiple ChoiceWhich process directly adds carbon into the atmosphereincreasing plant populationsdecreasing animal populationsburning fossil fuelsforming sedimentary rock
- 5. Multiple ChoiceWhich of the following processes is part of the carbon cycle?Decomposers put carbon into the soil by breaking down organic materialfactories remove carbon from the atmosphere by burning materialsplants put carbon back into the atmosphere through the process of photosynthesisanimals remove carbon from the atmosphere through the process of respiration
- 6. Multiple ChoiceEnergy pyramids are BEST used to representhow useful energy decreases as it flows through a food chainthe carnivores need more energy than other organisms for survivalthe producers have less competition than other organismwhich organisms consume other organisms in a food web
- 7. Multiple ChoiceOrganisms contribute to the water cycle mainly through the process ofirrigationevaporationprecipitationtranspiration
- 8. Multiple ChoiceNitrogen is made available in a useful form for animals in theplants they eatair they breatherainwater they drinkfertilizers they absorb
- 9. Multiple ChoiceWhich is an example of symbiosis?a tick feeding on a deera lion hunting a zebraa dandelion growing in a grass lawna dolphin communicating with another dolphin
- 10. Multiple ChoiceSome wasp species lay their eggs inside living caterpillars. As the eggs mature, they use the caterpillar as a food resource. Eventually, the wasp larvae hatch out of the caterpillar. This type of relationship is BEST described aspredator-preyparasiticmutualisticcommensalistic
- 11. Multiple ChoiceTropical rain forests are home to thick plant growth. Many such forests have poor soil that contains few nutrients. How is poor tropical rain forest soil able to support thick plant growth?frequent rainfall replaces nutrientsrain forest plants produce their own nutrientsrain forest plants have adapted to need few nutrientsdecomposers quickly recycle nutrients from dead organisms
- 12. Multiple ChoiceWhat is the main source of energy for the water cycle?the sunfossil fuelscloudsthe ocean
- 13. Multiple ChoiceThe shark and remora have a relationship that benefits the remora but neither helps nor harms the shark. What type of relationship is this?predationmutualismparasitismcommensalism
- 14. Multiple ChoiceWhich cycle is MOST directly affected by the combustion of fossil fuels?rock cyclewater cyclecarbon cyclenitrogen cycle
- 15. Multiple ChoiceWhich pair of organisms are decomposers?fungi and bacteriabacteria and grassfungi and micemice and grass
- 16. Multiple ChoiceHow does nitrogen in the atmosphere become beneficial to plants and eventually animals?nitrogen must be mixed in the soil by earthworms.nitrogen must be converted into a useful form by bacterianitrogen must come in contact with decaying organic materialnitrogen must come in contact with the ground through rainfall
- 17. Multiple ChoiceWhich would BEST represent a community?bison herdhawk, snake,bison,prairie dog, grassbisonhawk,snake,bison,prairie dog, grass,stream,rocks, air
- 18. Multiple ChoiceProducers are found at the bottom of the pyramid because producersprovide energy for consumershave less mass than consumershave fewer species than consumersdepend on consumers
- 19. Multiple ChoiceA kelp forest is an ocean ecosystem. Kelp are multicellular algae that grow in salt water clear and shallow enough to allow sunlight to pass through it. Kep are anchored to the sea floor and grow upward toward the surface. Kelp provide food,shelter, and oxygen for other organisms in the ecosystem. Sea urchins eat kelp. Too many sea urchins can destroy a kelp forest. Sea otters eat sea urchins and prevent their over-consumption of kelp. Which term accurately describes the relationship between the kelp and otters?predationparasitismmutualismcommensalism
- 20. Multiple ChoiceWhich is a biotic factor?watercloudstreesun
- 21. Multiple ChoiceAnimals that eat both plant matter and meat are referred to asdecomposersscavengersherbivoresomnivores
- 22. Multiple ChoiceWhich comparison of ecosystems isTRUE?Tundras are warmer than grasslandsgrasslands get more rain than desertsdeserts have more plants than rainforestsrainforests are rockier than tundras
- 23. Multiple ChoiceWhat is the ecological relationship between the mistletoe and an oak tree?host-parasitepredator-preypioneer-climaxproducer-consumer
- 24. Multiple ChoiceWhich of the following is MOST likely when a producer is removed from a food chain?It impacts the entire chainIt only impacts the next step in the chainit impacts only the next two steps in the chainit will have little effect, as the producers take its place
- 25. Multiple ChoiceIn the nitrogen cycle, plants take in nitrates and convert them intofatssugarsproteinscarbohydrates
- 26. Multiple ChoiceWhich of these BEST describes biomes?large ecosystems that have distinctive organisms and a particular climatea group of individuals of the same species that live together in the same areaa system made up of parts that work togetherexternal conditions that affect an organism
- 27. Multiple ChoiceA black bear's diet includes nuts, berries, honey, insects, and fish. Black bears aredecomposersherbivoresomnivoresprey
- 28. Multiple ChoiceIf a simple food chain is shown, what do the arrows MOST likely represent?
sun-grass-rabbit-foxa life cycleenergy flowstate changesthe carbon cycle - Answer choicesTagsAnswer choicesTags