Unit Test — Unit test Answers

Water exits the leaves of plants and enters the atmosphere. What is this process called?

Barnacles and whales have a commensalistic relationship in which barnacles benefit. What would most likely happen to the whale population if the barnacle population decreased?

Humans affect the carbon cycle in many ways through the use of fossil fuels, clear cutting of forests, and controlled burns. Which process can help counteract these human interactions?

How does mining impact the environment?

How do limiting factors most affect population size?

A population of wolves in Wyoming experienced a rapid decline. Scientists found that 20 wolves died from rabies, 15 wolves died from mange (a parasitic mite), and 10 wolves died from natural causes. Wyoming experienced a recent drought, and many populations, including deer, bison, and bear, have diminished in the past year. What is best described in this scenario?

By which process does water vapor become a cloud?

Arianne recently traveled abroad where she enjoyed eating food from different countries and learning about different cultures. A week after she returned home, she checked into the hospital with signs of nausea, fever, and diarrhea. What best explains what happened to Arianne?

Sublimation is the opposite of deposition just as evaporation is the opposite of

Which answer gives both a positive impact and a negative impact associated with the effects of nitrogen- and phosphorus-enhanced fertilizers?

What would happen to life on Earth if all the liquid fresh water were used up?

What is the primary source of energy for food chains in an ecosystem?

What term includes all the biotic and abiotic factors in an area?

The diagram shows two water molecules. What does the dotted line between the water molecules represent?

Humans process some foods by adding chemicals to reduce harmful bacterial growth. This allows foods to be edible for longer periods of time. Which best describes the advantages of food processing?