FREE AND STUDY GAMES ABOUT SCIENCE STUDY STACK

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FREE AND STUDY GAMES ABOUT SCIENCE STUDY STACK

EXAM QUESTIONS

Actual Qs and Ans Expert-Verified Explanation

This Exam contains:

-Guarantee passing score -35 Questions and Answers -format set of multiple-choice -Expert-Verified Explanation Question 1: If the number of births in a population is the same as the number of deaths in a population, what will happen to the growth of the population?

Answer:

It will stay the same.

Question 2: Something that slows the growth rate of a population

Answer:

Limiting growth Question 3: Which of the following would cause a population to increase in size?

Answer:

Immigration

Question 4: Which of the following limits a population's growth?

Answer:

all of the above

Question 5: When a population grows past the ecosystem's carrying capacity, what happens to the population?

Answer:

The population starts to die off to return to carrying capacity

Question 6: What is the formula of Growth Rate

Answer:

birth rate-death rate Question 7: Which of the following is likely to be affected by a population of 7 billion?

Answer:

amount of land for agriculture number of people who are unemployed amount of clean water all of the above Question 8: All populations fluctuate in size. Which of the following is a nonenvironmental factor that might cause a population to be reduced in size?

Answer:

increased competition

Question 9: The number of live births per 1000 people is called the...

Answer:

Birth rate Question 10: Populations do not continue to grow to an unlimited size. Their environment, including food and other natural resources, limits their size eventually. This limit is called the

Answer:

carrying capacity.

Question 11: Which of the following limits a population's biotic potential?

Answer:

a maximum number of offspring each individual can produce

Question 12: The number of deaths compared to the total number of people in a population is a:

Answer:

death rate Question 13: A biotic or abiotic resource in the environment that causes population size to decrease is a

Answer:

limiting factor Question 14: There are 150 Saguaro cacti plants per square kilometer in a certain area of Arizona desert. To which population characteristic does this information refer?

Answer:

population density Question 15: Will competition increase/decrease the carrying capacity of an ecosystem for the animal in competition?

Answer:

Decrease

Question 16: All of the following are limiting factors EXCEPT

Answer:

immigration Question 17: In a forest ecosystem, which of the following is the best example of a limiting factor for a rabbit population?

Answer:

Grass available Question 18: What factor describes when populations decrease because animals are moving out of a population?

Answer:

Emigration

Question 19: An environmental factor such as storms and extreme heat or cold that affects population regardless of their density

Answer:

density- independent factor Question 20: Which of the following is NOT one of the factors that play a role in population growth rate?

Answer:

Demography Question 21: If the number of births is greater than the number of deaths in a population, what will happen to the growth of the population?

Answer:

It will increase.Question 22: The population size that an environment can sustain is called the carrying capacity. Which of the following factors would not decrease the carrying capacity of a pond environment?

Answer:

food shortages Question 23: Which factor would contribute to an exponential growth rate in a given population?

Answer:

less competition Question 24: The carrying capacity of an environment for a particular species at a particular time is determined by the

Answer:

supply of the most limited resources

Question 25: Which will add more organisms to a population?

Answer:

• animals immigrate to the population