Science DU Practice Tests

What was formed by the federal government in response to the Dust Bowl?

Soil Conservation Service

What stimulates migration behavior related to the change in daylight?

Photoperiods

Who published the very first textbook about game management?

Aldo Leopold

What is a potential consequence of suppressing fire to protect infrastructure?

Leads to a build-up of combustible materials, making future fires more intense and harder to control

Which type of wetland is dominated by trees?

Swamps

What does eclipse plumage refer to?

Male ducks molting into colorful breeding plumage

How is population density best described?

Number of individual animals per unit area

Why do temperate grasslands produce the most fertile soils on earth?

The soil is enriched by decayed roots of grasses and forbs below the surface

Which family consists of species with retractable claws?

Felidae

Why are grasslands easily converted into agricultural land?

Fertile soils

Which term describes a vulnerable species?

Population has been reduced by 30 to 50 percent

What type of biome are taiga, tropical, and temperate examples of?

Forest

In which mediums is the phosphorus cycle primarily conducted?

Soil and plants

What best describes the system using carbon credits to mitigate greenhouse gas emissions?

Carbon markets

What is clear-cutting in logging practice?

Removing all growth in an area, no matter the age or type of plant

What established conservation funding from the sale of firearms?

Pittman-Robertson Act

What describes a sustainable approach to clear-cutting forests?

Clear-cutting can be sustainable for certain species when monitored and combined with reforestation efforts

Of the taxonomic groups listed, which is the least specific?

Domain

What best describes freshwater ecosystems?

Bodies of water with low salt concentration

Which process involves wetland vegetation slowing water to allow sediment to settle?

Physical trapping

What does transpiration refer to?

Water transforms from a liquid to a gas

Which scientific order do hooved species belong to?

Artiodactyla

What is now known as the Bureau of Biological Survey?

U.S. Fish and Wildlife Service

What significant decline was caused by market hunting and habitat loss in the U.S.?

White-tailed deer population

Which animals belong to the Cervidae family?

Elk, moose, and white-tailed deer

What best describes natural biological processes removing contaminants?

Biological uptake

What legislative effort allowed the U.S. president to designate protected wilderness areas?

Forest Reserve Act

What is the percentage expressed for birth and death rates?

1,000 individuals per unit of time.

What is migration behavior due to changes in daylight called?

Photoperiod

Which management technique is effective in grassland areas?

Rotational grazing

Which level of ecology includes an assemblage of different populations?

Community

Which Act authorized standards for forest resource conservation?

Forest and Rangeland Planning Act

What was the first established national park?

Yellowstone National Park

How is a grassland classified?

By vegetation types

Which president combined the Bureau of Biological Survey and Bureau of Fisheries?

Franklin Roosevelt

Which national park was not established first?

Zion National Park

Does one acre of wetlands filter fresh drinking water?

True

What best describes peat?

A spongy substance formed by partially decomposed vegetation.

What describes the Duck Stamp Act?

Incentive for waterfowl conservation.

When do male waterfowl molt into colorful plumage?

Late summer before breeding season.

What is the status of hunting and fishing regulations relevant to wildlife populations?

False, they are dependent.

What habitat might Hannah encounter near the Gulf of Mexico?

Tidal marsh.

Which wetland type is dominated by emergent vegetation?

Marshes.

Which plant negatively impacts North American forests?

Garlic mustard.

Who published the first textbook on game management?

Aldo Leopold.

What Act enabled funding through sporting goods sales?

Pittman-Robertson Act.

How much CO2 can a tree absorb annually?

More than 50 pounds.

What answers pertain to wetland function and health?

True, they play a significant role.

What defines disconnection from breeding habitat?

Separation from important hydrological features.

What influences the growth of vegetation in non-tidal marshes?

Poor drainage.

How does agriculture impact wetlands in America?

Through conversion and drainage.