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