Unit Test — Unit test Answers

How do limiting factors most affect population size?

How would a harsh winter most likely affect the rabbit population size?

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

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?

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?

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?

Which describes a disruption in the water cycle that could affect photosynthesis?

Which of the following could result in secondary succession?

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

A conservation biologist has determined the status of the ecosystems in a protected area, as shown in the table below. Based on the table, which part of the pie chart represents secondary succession?Status of ecosystemsPercentage of protected areaPrimary succession10Secondary succession30Barren land5Established community55

How does conservation affect biodiversity?

How could the loss of biodiversity affect humans?

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

Which describes a disruption in the water cycle that could affect photosynthesis?