Exam 4: Ecosystems: What Are They, and How Do They Work

What is characteristic of the hydrologic cycle? 

Which of the following sequences correctly lists,from beginning to end,the major stages of system analysis? 

You observe a lion chase,kill,and eat a gazelle.A vulture pecks away at the meat scraps.Beetles attack the remaining fragments.Finally,bacteria complete the breakdown and recycling of organic material.Starting with the lion,which of the following is the correct sequence of general classification of the feeders? 

CO₂ promotes the ______________________________ that warms the troposphere.

Which term refers to a group of individuals of the same species occupying a given area at the same time? 

What gives rise to the C soil horizon through the process of weathering? 

Which adjective applies the most to all insects? 

FOOD WEB -Using the image,outline a possible food chain.

What is the name of the topsoil horizon? 

Which type of soil is most likely to be alkaline,dark,and rich in humus? 

By what means do humans remove nitrogen from the soil? 

PROFILE -Which letter in the diagram indicates the profile that is conducive to abundant precipitation and year-round warmth?

What is(are)primarily responsible for the transfer of carbon between organisms? 

SOIL -Which letter in the diagram indicates the type of soil that supports a wide variety of plants and animals,from hardwood trees to earthworms?

PROFILE -Which letter in the diagram indicates the process in which water leaves the ocean to condense and fall as precipitation to land?

PROFILE -Which letter in the above diagram indicates the profile most likely to be found in humid,mild climates?

What is produced by aerobic respiration? 

HEAT -Which letter in the diagram is the level that includes hawks,tigers,and white sharks?

SOIL -Which letter in the diagram indicates the layer of mature soil that contains root systems?

Only the United States,Russia,and China have sent remote sensing satellites into space.