Unit Test Answers

Which of the following typical adaptations of marine animals is not found in sea otters?a.streamlined bodyb.webbed hands and feetc.body covered in thick furd.breathing apparatus on the top of the head

The marine biome is the largest of all the ecosystems.

How are kelp and seaweed similar?

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?

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

What could explain the curve in this population growth graph?

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?

How could the loss of biodiversity affect humans?

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?

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?

What important discovery did researchers aboard the Alvin make?

Based on the food chain below, if a bald eagle acquires 50 kg of energy, how much energy did the zooplankton get from the phytoplankton? phytoplankton zooplankton bivalves sea ducks bald eagle

How do limiting factors most affect population size?

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?