Question

blue whales
very long whales
1 how long are most blue whales?
scientists dont know for sure. its not
easy to measure a whale! but
scientists think most adults are
between 80 and 100 feet long. one
blue whale was reported to be 108
feet long. that is as long as three
school buses!
very heavy whales
2 blue whales are very heavy. most
adult whales weigh between 200,000
and 300,000 pounds. some weigh
more than 400,000 pounds. that is
as much as 30 elephants! a blue
whales tongue weighs as much as
an elephant. a newborn blue whale
outweighs most adult animals.
very hungry whales
3 it takes a lot of food to feed a blue
whale. they eat mostly krill. krill are
small sea creatures similar to shrimp
and lobsters. a blue whale eats about
40 million krill a day. that is around
8,000 pounds of food. luckily, blue
whales have stomachs that can hold
4 which detail shows that blue whales are one of the heaviest animals on earth?
a. \the call is so loud that other whales can hear it from a distance
as far as 1,000 miles.\ (paragraph 4)

b. \a blue whale eats about 40 million krill a day.\ (paragraph 3)

c. \a newborn blue whale outweighs most adult animals.\ (paragraph
2)

d. \that is as long as three school buses!\ (paragraph 1)

Explanation:

To determine which detail shows blue whales are one of the heaviest animals, we analyze each option:

• Option A: Talks about the loudness of the call, not weight. Eliminate.
• Option B: Discusses food consumption (krill), not weight. Eliminate.
• Option C: States a newborn blue whale outweighs most adult animals. Since adult blue whales are already very heavy (as per the text: 200,000 - 400,000 pounds, as much as 30 elephants), a newborn outweighing most adult animals implies blue whales are extremely heavy. This relates to their weight.
• Option D: Talks about length (comparison to school buses), not weight. Eliminate.

Answer:

C. "A newborn blue whale outweighs most adult animals." (paragraph 2)