science Multiple Choice Test

An experiment uses two groups of mice with 20 individuals in each group. Both groups are fed the same amount of water and food every day. They are kept in similar cages in a climate-controlled room. The experimental group is given five doses of a pes

A substance with a pH of 8 has ____ times less hydrogen ion concentration of a substance with a pH of 6.

Which of the following statements about rain shadows is correct?

Energy flow is cyclic like water, matter within and between ecosystems, and various macronutrients (like Carbon, Nitrogen, Phosphorus and Potassium).

Convection Currents are circular patterns that give rise to atmospheric cycles like Hadley cells.

Which of the following is the best description of evolution?

Which type of population distribution is most common?

Animals are sometimes randomly distributed across an ecosystem within a population because of

A certain species of animal represents just 3% of the biomass in its ecosystem. We might classify this as a keystone species if its elimination

Which of the following statements is correct in reference to species richness?

Populations whose age structure diagrams are narrower at the bottom than at the top have

Which of the following groups of organisms would likely be most susceptible to pollution pressure initiated by humans because of the sensitivity of the group to change?

Which of the following was a significant cause of urban sprawl over the past 50 years?

The IUCN labels species that are at high risk of extinction as

Which is an example of the single-species approach to conservation? I. The Endangered Species Act II.The Marine Mammal Protection Act III.The Biosphere Reserve

The most critical factor in controlling human population growth is

Which areas of the world are most susceptible to desertification?

Concentrated animal feeding operations (CAFOs) make meat more economical but may have some negative environmental impacts. These include all of the following EXCEPT

Which of the following best explains why the recycling of plastic is an example of open-loop recycling?

The U.S. legislation that is designed to track hazardous waste from its production, cradle, to its disposal, grave, is the

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