Environmental Science Final Review

What is the best definition of remote sensing?

• collecting environmental data without human input

• using technological equipment to gather data about the world

• gathering data without physical contact with the object being observed

• analyzing data by means of computer software

Which was the most immediate action taken after publication of Rachel Carson's book Silent Spring?

• President Kennedy ordered a panel of scientists to appraise the DDT hazard.

• President Kennedy banned DDT over the objections of experts.

• The chemical industry took the lead in restricting the sale and use of DDT.

• DDT was banned in the United States by the Department of Agriculture.

Where do environmental scientists usually publish reports on their experiments, for an audience of their professional colleagues?

• in articles for scholarly journals

• in newspapers

• on blogs and social media

• at a public hearing

Which of the following is the best testable hypothesis, correctly written?

• If grass gets fertilized, it grows faster.

• When my puppy wakes up, he is hungry.

• If the earth moves out of its orbit, life will not survive.

• My puppy likes dry dog food better than moist food.

he step in the scientific method that explicitly tests the hypothesis is the __________.

• conclusion

• observation

• experiment

• independent variable

What is the definition of ecosystem?

• all the animal and plant species within a geographical area

• all the members of one species living in one place and time

• classification for a broad type of habitat, such as savanna or tropical forest

• group of interacting populations in a defined place and the nonliving factors that affect them

The hydrosphere contains anything composed of ________

• ice

• air

• living things

• water

The biosphere contains ________

• water

• all living things

• land

• air

Lava is part of the

• hydrosphere

• lithosphere

• atmosphere

• biosphere

When discussing ecological organization, what comes after population

• species

• community

• biosphere

• biome