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Global biomass is the total mass of living material, such as animals and plants, on Earth. A team of scientists...

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Global biomass is the total mass of living material, such as animals and plants, on Earth. A team of scientists estimated the global biomass, by species, of various wild land mammals. The team found that the species with the highest global biomass is the ______

Which choice most effectively uses data from the graph to complete the sentence?

A

wild boar.

B

eastern gray kangaroo.

C

African bush elephant.

D

white-tailed deer.

Solution

Step 1: Decode and Map All Source Material

Part A: Passage Analysis Table

Text from PassageAnalysis
"Global biomass is the total mass of living material, such as animals and plants, on Earth."
  • What it says: Global biomass = total mass living things on Earth
  • What it does: Defines key term for the study
  • What it is: Background definition
"A team of scientists estimated the global biomass, by species, of various wild land mammals."
  • What it says: Scientists estimated biomass by mammal species
  • What it does: Introduces the research conducted
  • What it is: Study description
"The team found that the species with the highest global biomass is the ______"
  • What it says: [BLANK] = species w/ highest biomass
  • What it does: Sets up the finding we need to complete
  • What it is: Missing conclusion

Visual Data Analysis


  1. Visual Type & Title: Bar chart - "Top Four Species of Wild Land Mammals by Global Biomass"
  2. What It Shows: Y-axis: Global biomass (millions of metric tons), X-axis: Four mammal species, Range: 0-3.0 million metric tons, Data points: African bush elephant \(\approx 1.3\), eastern gray kangaroo \(\approx 0.6\), wild boar \(\approx 1.9\), white-tailed deer \(\approx 2.7\)
  3. Key Observations: White-tailed deer \(\gg\) all others (\(\approx 2.7\)), Wild boar = 2nd highest (\(\approx 1.9\)), African bush elephant = 3rd (\(\approx 1.3\)), Eastern gray kangaroo = lowest (\(\approx 0.6\)), Clear ranking: deer \(\gt\) boar \(\gt\) elephant \(\gt\) kangaroo
  4. Connection to Text: The graph provides the specific data needed to complete the sentence about which species has the highest global biomass.

Step 2: Interpret the Question Precisely

This is a fill-in-the-blank question asking us to choose the best logical connector. The answer must create the right relationship between what comes before and after the blank.

Step 3: Prethink the Answer

  • Looking at the graph data, we need the species with the highest bar
  • From my visual analysis, white-tailed deer clearly has the highest global biomass at approximately 2.7 million metric tons
  • This is significantly higher than wild boar (\(\approx 1.9\)), African bush elephant (\(\approx 1.3\)), and eastern gray kangaroo (\(\approx 0.6\))
Answer Choices Explained
A

wild boar.

wild boar
✗ Incorrect

  • According to the graph, wild boar has approximately \(1.9\) million metric tons of biomass
  • While this is the second-highest amount, it's still significantly less than white-tailed deer's \(2.7\) million metric tons
B

eastern gray kangaroo.

eastern gray kangaroo
✗ Incorrect

  • The graph shows eastern gray kangaroo has the lowest biomass of all four species at approximately \(0.6\) million metric tons
C

African bush elephant.

African bush elephant
✗ Incorrect

  • The graph shows African bush elephant has approximately \(1.3\) million metric tons of biomass
  • This ranks third out of the four species shown
D

white-tailed deer.

white-tailed deer
✓ Correct

  • The graph clearly shows white-tailed deer has the highest bar at approximately \(2.7\) million metric tons
  • This is significantly higher than any other species and directly matches what the graph data shows as the species with highest global biomass
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