Cumulative Exam — Cumulative exam Answers

The introduction of Caulerpa, also known as killer algae, into California was ultimately the result of _______.a.hull foulingb.the aquarium trade in exotic, nonnative aquatic speciesc.intentional released.an algae farming company

There is little variety among organisms found in pools, ponds, and lakes.

What characteristic sets streams and rivers apart?a.water qualityb.direction of flowc.sized.biodiversity

Aquatic organisms that lived hundreds of millions of years ago and were buried in silt and sediment resulted in the formation of _______.a.coalb.biomassc.biofuelsd.petroleum

Which of the following is the most important factor in achieving sustainability?a.ending nonrenewable resource useb.agricultural practicesc.resource managementd.ending pesticide use

The traditional view of mangrove forests as wastelands and unhealthy environments helped promote their degradation because _______.a.mangrove forests are unproductive, unhealthy habitatsb.people did not feel it was necessary to preserve themc.mangrove forests do not need to be preservedd.all of the above

Zoning laws establish _______.a.what types of buildings can be built in an areab.the uses an area of land can be put toc.who can live in an aread.the types of business that can occupy a building

In which region would you find the lowest concentration of public land in the United States?a.the Pacific Northwestb.the West coastc.New Englandd.the Midwest

Which of the following is not a trait of mangrove trees? a. They excrete salt through their leaves. b. They do not tolerate highly saline environments. c. They have two types of specialized roots. d. They absorb oxygen through their roots. Please select the best answer from the choices provided

Which of the following best explains why soil conservation is important to human agriculture?a.Erosion prevention prevents millions of dollars in damage from mudslides.b.It is easier to prevent the degradation of old soil than it is to generate new soil.c.If the soil salinity gets too high crops will not be able to grow in it.d.Soil contamination is a hazard to human and animal health.

Which of the following about carbon sinks is not true?a.They emit more carbon than they take in.b.They take in more carbon they emit.c.They store carbon from the atmosphere.d.They include oceans and forests.

Which of the following statements about pesticides is true? a. Pesticides provide plants with essential nutrients. b. Pesticides prevent the destruction of crops. c. Pesticides are never harmful to plants. d. Pesticides are never harmful to animals. Please select the best answer from the choices provided

Which of the following best explains how a hurricane can increase an area’s susceptibility to future storms?a.Storm surges cause massive damage to buildings along coastlines.b.Hurricanes often flood coastal communities.c.Hurricane strength winds cause large amounts of property damage.d.Erosion caused by hurricanes can leave coasts more exposed to storms.

The efforts of governments and businesses toward conservation and preservation have had a positive impact on the environment.

Which is most likely a source of air pollution?

Which of the following methods of agriculture is best suited to the use of large plowing and harvesting equipment?a.rangeland grazingb.American agriculturec.traditional rice cultivationd.Dutch agriculture

Which of the following is not a way in which wetlands filter water?a.nutrient absorptionb.oil absorptionc.sediment trappingd.bacterial absorption

Which of the following best explains why buildings tip during earthquakes?a.Seismic waves damage buildings’ foundations.b.The liquefaction of solid soil undermines buildings’ foundations.c.Body waves break underground water pipes.d.Surface faulting moves the ground in different directions.

A scientist measured an increase in nitrous oxide in the atmosphere. This increase would result in

Biological pest control methods supplement but cannot replace chemical pest control methods.