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APES Fall Final
learn and apply
| Question | Answer |
|---|---|
| how is evidence of biodiversity see on earth | genetic variation, # of species, ecosystems, and habitats in a region, variety of nutrients available |
| why has the concentration of carbon dioxide in the atmosphere increased in the last 200 years | because of people burning fossil fuels for energy |
| what does sustainable development incorporate | economic growth, environmental stewardship, and social inclusion |
| a field is abandoned and an invasive plant that can live in nutrient-poor soil moves into the field. If the land is later cleared of this species and it is discovered that the soil has an abundance of nitrogen compounds. What conclusion can be made | bacteria in the soil and in the roots converted free nitrogen into nitrogen compounds |
| in periods of drought what types of crops would help preserved the soil | cover crops |
| as a country goes through demographic transition, the greatest rate of population growth takes place during which phase | phase 2 |
| which element requires to be fixed from its atmospheric form by bacteria | nitrogen gas |
| Describe the concept of GPP | the total amount of energy that plants capture from the sun |
| during what stage of the hydrologic cycle is water released to the atmosphere from plants | transpiration |
| a scientist is observed a series of plants and measuring their growth with the additive nutrients. She notices that adding nitrogen doesn't effect their growth but adding phosphorus does. What conclusion can be made. | phosphorus is a limiting nutrient |
| after a disturbance such as a forest fire, an ecosystem recovered very rapidly. What can be said about the ecosystem | It has high resilience |
| the aesthetic beauty of a forest is an example of what | a cultural service |
| what would not have a significant effect on the climate of a region | an abnormally wet year due to El nino |
| describe albedo | the proportion of light that is reflected by a surface |
| which does not contribute to atmospheric convection currents | gyres |
| what ist eh overall direction of global air currents at the equator | horizontally to the south |
| at what latitude is the surface of the earth moving at the highest velocity | 0 degrees at the equator |
| what ist eh positive effect of upwelling | high biological productivity |
| as water freezes or evaporates, what happens to the salinity of the remaining ocean water | it increases |
| which biome would contain plants with adaptations that prevent water loss, such as smaller leaves with few pores for gas exchange | desert plants |
| describe species evenness | measuring of how all of the individual organisms are balanced between species |
| biological controls are frequently used to replace persistent chemical pesticides. What are some examples of the risks involved with using these | could attack beneficial species |
| if an area was originally forested and then underwent urban development, which of the following shows the most likely effects on various parts of the water cycle in the area | groundwater recharge decreases |
| If a once biodiverse pond is resampled a year later, how could you tell if the pond had been adversely affected by adjacent development | the biodiversity decreased |
| a population of rabbits introduced to an island, has rapid growth for a few years, then it's growth slows. What happened | reached carrying capacity |
| some predators feed preferentially on the most abundant prey. What this this type of predation | density dependent |
| what are examples of two organisms in a mutualistic relationship | rhinos and oxpeckers |
| what are the characteristics of a keystone species | low functional redundancy |
| describe primary succession | starts from bare rock |
| what is the most critical factor in controlling human population growth | decreasing the average number of births per year |
| a particular country has a TFR equal to replacement level fertility and emigration equal to immigration. What does that tell you | stable population |
| according to the theory of demographic transition, countries move through growth phases in which order | stable---rapid---slow---declining |
| which region is largely responsible for the weather | troposphere |
| vegetarianism is often cited as a partial solution to the growing problem of deforestation and other types of habitat description as the human population grows. Why | vegetable growing requires less land use than livestock |
Created by:
hunselsid