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AP Intermediate 2nd Year Organisms and Populations — practice questions — page 2

Explore 50 free Organisms and Populations questions in AP Intermediate 2nd Year Biology. Open each question or exercise to read its content, reference answers and available explanation.

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Organisms and Populations questions and exercises with answers

Showing questions 31–50 of 50.

About what fraction of animals cannot maintain a constant internal environment?Read the answer and worked solution →Very small animals are rare in polar regions because they:Read the answer and worked solution →Thousands of Siberian birds winter every year at Keoladeo National Park in:Read the answer and worked solution →Bears escape winter by going into:Read the answer and worked solution →Some snails and fish avoid summer heat and drying by:Read the answer and worked solution →The kangaroo rat meets all its water needs from:Read the answer and worked solution →Desert plants sink their stomata in deep pits to reduce:Read the answer and worked solution →Mammals from cold climates have shorter ears and limbs to:Read the answer and worked solution →Seals in polar seas stay warm thanks to a thick layer of fat called:Read the answer and worked solution →All the lotus plants in one pond form a:Read the answer and worked solution →Natural selection operates at the level of the:Read the answer and worked solution →A Paramecium doubling daily illustrates which growth when food and space are unlimited?Read the answer and worked solution →Prickly pear cactus overran Australia until a cactus-feeding ___ was introduced.Read the answer and worked solution →The Monarch butterfly is distasteful to birds because as a caterpillar it fed on a:Read the answer and worked solution →On Scottish coasts the larger barnacle Balanus excludes the smaller:Read the answer and worked solution →Catch the regulatorsRead the answer and worked solution →Pop the escape strategiesRead the answer and worked solution →Steer into the ecology laneRead the answer and worked solution →Slice the ecology wordsRead the answer and worked solution →Grow or shrinkRead the answer and worked solution →

Worked practice questions

About what fraction of animals cannot maintain a constant internal environment?

  1. 1 percent
  2. 99 percent
  3. 50 percent
  4. 10 percent
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Correct answer: B. 99 percent

1. Only birds, mammals and a few others regulate. 2. Nearly all the rest conform. 3. That is about 99 percent of animals. _Source: syllabus Biology, Chapter 13, Organisms and Populations._

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Very small animals are rare in polar regions because they:

  1. Have no fur at all
  2. Eat far too much
  3. Lose heat very fast
  4. Cannot see in snow
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Correct answer: C. Lose heat very fast

1. Small bodies have a large surface area for their volume. 2. Heat escapes quickly through that surface. 3. Staying warm would cost too much energy. _Source: syllabus Biology, Chapter 13, Organisms and Populations._

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Thousands of Siberian birds winter every year at Keoladeo National Park in:

  1. Bhopal city
  2. Bengaluru
  3. Bhubaneswar
  4. Bharatpur
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Correct answer: D. Bharatpur

1. The park is in Rajasthan. 2. Birds migrate there from cold northern regions. 3. It is at Bharatpur. _Source: syllabus Biology, Chapter 13, Organisms and Populations._

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