GHS 9 SCI 5
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
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| Get their energy indirectly from the sun | Consumers
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| Obtains energy only from producers | herbivores
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| Percent of energy transferred in tropic levels | 10 percent
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| Carbon from the bodies of plants and animals that died millions of years ago | fossil fuels
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| 78 percent of our atmosphere | nitrogen
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| can be used by plants only when transformed by bacteria first | nitrogen
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| plants is likely to be a pioneer species | moss and lichen
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| Examples of places primary succession can be seen | new island formed by a volcanic eruption, or abandoned asphalt parking lot
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| Burning fossil fuels in great quantities has increased the amount of this in the atmosphere | Carbon Dioxide
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| This is essentially photosynthesis in reverse, has oxygen as one of the primary reactants and produces energy for organisms to use | cellular respiration
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| Examples of photosynthetic organisms | freshwater algae, plants, phytoplankton, protists
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| Consumers are organisms that get solar or other energy this way | indirectly from the sun
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| Where is the energy consumed by organisms stored? | in fat and sugar molecules
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| Plants allow carbon to enter an ecosystem through this | photosynthesis
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| Bacteria that live within the roots of a plants are a critical part of the nitrogen cycle because they do this? | change atmospheric nitrogen into a usable form
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| True or false? Succession is possible because new species make the environment less suitable for previous ones | True
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| True or false? An example of secondary succession allows growth of plants after a forest is destroyed by fire | True
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| True or False? Parts of shrubs and trees are a likely component of soil formed during primary succession? | False-soil is comprised of erosion from rocks and roots from lichens and mosses
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| True or False? Algae is likely to be in the bottom trophic level of a food chain? | True
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| Terms used to refer to the many feeding relationships that are possible in an ecosystem? | food web
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| Responsible for making nitrogen in the atmosphere usable by living organisms? | nitrogen-fixing bacteria
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| A carbon sink which holds a lot of carbon but is not part of the carbon cycle? | carbon found within limestone rocks
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| Type of succession that occurs after a natural process such as a volcanic eruption or flood? | secondary succession
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| One of the largest carbon reservoirs on Earth | limestone
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| The process in which nitrogen is cycled between the atmosphere, bacteria, and other organisms. | Nitrogen Cycle
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| .Organisms that can transform unusable nitrogen in the atmosphere into chemical compounds containing nitrogen that can be used by other organisms. | Nitrogen Fixing Bacteria
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| Evidence of excessive use of fertilizer | Algal Bloom
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| The process through which 5 to 8% of nitrogen is changed into usable nitrogen. | Lightning fixation
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| A process in which energy from the sun is used to make sugar molecules is | photosynthesis
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| In deep-ocean ecosystems, this escapes from the cracks in the ocean floor is used by bacteria to make their own food. | hydrogen sulfide
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| Organisms that get their food by breaking down dead organisms are called | decomposers
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| A process within the cell of an organism that uses glucose and oxygen to produce carbon dioxide, water, and energy is called ? | cellular respiration
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| Nitrogen-fixing bacteria live within the nodules on the roots of plants called ? | Legumes
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| On new islands formed by volcanic activity, you will most likely find this type of succession. | primary
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| The first organisms to colonize any newly available area are known as ? | pioneer species
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| During primary succession, these often begin the process by breaking down the rocks into soil. | lichens
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| Only about 10 percent of the energy is passed to the next level. | Trophic Levels
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| In the deep-ocean ecosystem, this would occupy the bottom trophic level of an energy pyramid. | bacteria
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| Excessive use of this on lawns and gardens can affect the nitrogen and phosphorus cycles in nearby lakes and streams. | Fertilizer
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| During succession, a final and stable community is referred to as a(n) | climax community
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| Succession that occurs on abandoned farmland is called? | Old field succession or secondary succession
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| A gradual process of change and replacement of the types of species in a community is called? | ecological succession
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| .Horses and cattle are classified as this because they eat only producers. | herbivores
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| Organisms that can transform unusable nitrogen in the atmosphere into chemical compounds containing nitrogen that can be used by other organisms. | Nitrogen fixing bacteria
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| A tiger is an example of this type of consumer? | carnivore
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| Bacteria and fungi are examples of this type of consumer? | decomposer
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| The energy transfer here is more complex than energy transfer in a food chain, because the interaction between many organisms is considered. | food web
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| The ultimate source of energy for all organisms except those living deep in the ocean near a thermal vent is what? | Sun
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| In the carbon cycle, the source of carbon for producers is found where? | Atmosphere
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| The burning of these over many years has resulted in an increase in the amount of carbon dioxide in the atmosphere. | Fossil Fuels
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| This type of fixation occurs under great pressure and with the use of a catalyst. When atmospheric nitrogen and hydrogen are combined to form ammonia this type of fixation process takes place. | Industrial
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| Although the majority of the air we breathe is this type of gas, most living organisms are unable to use it in its atmospheric form. | Nitrogen
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| When fuel is burned, large amounts of nitric oxide is release into the atmosphere and can combine with oxygen and water vapor to form this? | Acid Rain
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| These type of salts are not soluble in water, they sink to the bottom and accumulate as sediment. | Phosphorus
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| This type of fixation is where most nitrogen fixing is completed. | Biological
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