APES AP Practice Exam

Species diversity can be quantified by using which of the following sets of data about an ecosystem?

• The number of species and the area
• The number of individuals of each species and the net primary productivity
• The number of species and the number of individuals of each species
• The number of individuals of each species and the area

Which of the following explains why more than 99% of the water on earth is not readily available for use as freshwater?
 i.It is located too deep underground
ii.It is stored behind dams
iii.It is frozen or too salty

• i only
• ii only
• i and ii only
• i and iii only

The goals of the Resource Conservation and Recovery Act include which of the following?

• To prevent the unsafe disposal of high-level radioactive wastes at sea
• To prevent the illegal disposal of hospital waste contaminated with infectious agents
• To prevent the unsafe disposal of hazardous wastes on land
• To clean up abandoned hazardous waste sites

A scientist wishes to test the effects of different amounts of water and fertilizer on yields of corn. In a series of experimental fields, she varies the supply of water and the amount of fertilizer applied to a given strain of corn and measures the yield of the crop that results. In this experiment, which is/are the dependent variable(s)?

• Corn yield and the variety of corn
• Corn yield
• Water supply
• Amount of fertilizer and variety of corn strain

A fig tree that provides shelter and fruit that are essential to the survival of numerous other species is an example of

• A keystone species
• An exotic species
• An indicator species
• An endemic species

Most photosynthesis in the open sea occur in the

• Euphotic zone
• Benthic zone
• Littoral zone
• Abyssal zone

3 ppm is equivalent to which of the following?

• 3,000 ppb
• 30,000 ppb
• 3,000,000 ppb
• 30,000,000 ppb

Tags

CCSS.6.RP.A.3D

Which of the following would decrease one’s ecological footprint?

• Eating more meat
• Walking to school rather than driving
• Eating more processed and packaged food
• Purchasing a larger home

Fishing licenses are a legislative attempt to avoid which of the following?

• A tragedy of the commons
• A cost-benefit analysis
• The enforcement of the Endangered Species Act
• A negative feedback loop

Which of the following is a correct sequence of transformations in the nitrogen cycle?

• Transpiration - nitrification - assimilation - ammonification - respiration
• Fixation - ammonification - nitrification - assimilation - denitrification
• Ammonification - respiration - nitrification - denitrification
• Fixation - nitrification - assimilation - ammonification