Unit Test — Unit test Answers

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?

The Great Pacific Garbage Patch is an area in the North Pacific Ocean that contains trash and causes harm to ocean life and those that consume that life. What lessons can be learned from this floating pile of trash?

What would happen to the size of the herbivore population if the producer population decreased?

If a deer eats grass, what percentage of energy will the deer acquire from the grass?

Why is sustainable use of natural resources important?

A family released their pet fish family into a local pond. The fish had no known local population. The impact of the fish on the ecosystem is not yet known. Which term would best define the fish added to the pond?

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

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

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?

How does mining impact the environment?

Natural resources are classified as renewable and nonrenewable. What is the difference between the two?

A relationship in which one organism benefits while the other is neither harmed nor helped is called