1 organisms and their relationships (continued)\ncheck your progress\n1. predict how unfavorable abiotic and…

1 organisms and their relationships (continued)\ncheck your progress\n1. predict how unfavorable abiotic and biotic factors affect a species.\n2. identify how temperature is a limiting factor for polar bears.\n3. describe how ranges of tolerance affect the distribution of a species.\n4. differentiate between the habitat and niche of an organism that is found in your community.\n5. interpret figure 6 and predict the general growth trend for steelhead trout in a stream that is 22°c.\n6. graph the following data to determine the range of tolerance for catfish. the first number in each pair of data is temperature in degrees celsius; the second number is the number of catfish found in the stream: (0, 0); (5, 0); (10, 2); (15, 15); (20, 13); (25, 3); (30, 0); (35, 0). choose an appropriate scale and units for your graph.

1 organisms and their relationships (continued)\ncheck your progress\n1. predict how unfavorable abiotic and biotic factors affect a species.\n2. identify how temperature is a limiting factor for polar bears.\n3. describe how ranges of tolerance affect the distribution of a species.\n4. differentiate between the habitat and niche of an organism that is found in your community.\n5. interpret figure 6 and predict the general growth trend for steelhead trout in a stream that is 22°c.\n6. graph the following data to determine the range of tolerance for catfish. the first number in each pair of data is temperature in degrees celsius; the second number is the number of catfish found in the stream: (0, 0); (5, 0); (10, 2); (15, 15); (20, 13); (25, 3); (30, 0); (35, 0). choose an appropriate scale and units for your graph.

Answer

Brief Explanations:

  1. Unfavorable abiotic (e.g., extreme temperature, low - water availability) and biotic (e.g., predation, competition) factors can reduce population size, limit distribution, or cause species decline.
  2. Polar bears are adapted to cold environments. Warmer temperatures can melt sea - ice, reducing their hunting grounds for seals, their main prey.
  3. A species' range of tolerance for factors like temperature, pH, and salinity determines where it can survive and reproduce. Beyond its tolerance limits, the species cannot exist, thus affecting its distribution.
  4. Habitat is the physical place where an organism lives (e.g., a forest for a deer). Niche is the organism's role in the community, including its interactions with other species and its use of resources.
  5. Without seeing Figure 6, in general, if 22°C is within the optimal temperature range for steelhead trout, growth may be favorable; if not, growth could be stunted.
  6. Plot the temperature values on the x - axis and the number of catfish on the y - axis. The range of tolerance can be identified as the temperature range where the number of catfish is non - zero.

Answer:

  1. Abiotic and biotic factors can decrease population size, limit distribution or cause decline.
  2. Warmer temperatures melt sea - ice, reducing hunting grounds.
  3. Tolerance ranges determine where a species can survive and reproduce, affecting distribution.
  4. Habitat is the living place, niche is the organism's role in the community.
  5. If 22°C is optimal, growth may be favorable; otherwise, it could be stunted.
  6. Plot temperature on x - axis and number of catfish on y - axis to find tolerance range.