The author includes that "Air gets pretty unpredictable under a flapping wing" to

explain that the current created by a bird is different than a plane's

What does the author imply about pelicans, storks, and geese flying in a V formation?

They create a similar wake to that of ibises

What is a main idea of the seventh paragraph (lines 62-73)?

Future research will help scientists to better understand V formations

What is the most likely reason the author includes the 30 cm measurement in line 30?

To demonstrate the accuracy with which the data loggers collected the data

What is the best evidence for the answer to the previous question?

Lines 47-48 (“Smaller... difficult”)

The main purpose of this passage is to

explain research conducted to study why birds fly in V formation

The author uses the phrase “aerodynamic sweet spot” in line 63 most likely to

suggest a certain position in a V formation has the least wind resistance

What can reasonably be inferred about the reason Usherwood used northern bald ibises as the subjects of his study?

The ibises were easily accessible for Usherwood's team to track and observe

What choice provides the best evidence for the previous answer?

Lines 22-24 (“The study... Europe”)

studbud

SAT Natural Science Practice

10 termsStudBud Administration129 plays

Imported from external platform

Flashcards10 cardsFPractice quizPHost liveL

Questions 10

Answers

1
The author includes that "Air gets pretty unpredictable under a flapping wing" to
stress the amount of control exerted by birds flying in V formation
explain that the current created by a bird is different than a plane's
indicate that wind movement is continuously changing
emphasize that the flapping of a bird's wings is powerful
2
What does the author imply about pelicans, storks, and geese flying in a V formation?
They have the same migration routes as those ofibises.
They communicate with each other in the same way as ibises.
They expend more energy than do ibises.
They create a similar wake to that of ibises
3
What is a main idea of the seventh paragraph (lines 62-73)?
Different types of hierarchies exist in each flockof birds.
Future research will help scientists to better understand V formations
Long-winged birds watch the lead bird closely tokeep a V formation intact.
Mistakes can happen when long-winged birdscreate a V formation.
4
What is the most likely reason the author includes the 30 cm measurement in line 30?
To show how far behind the microlight planeeach ibis flew
To present recorded data about how far an ibis flies between wing flaps
To provide the wingspan length of a juvenile ibis
To demonstrate the accuracy with which the data loggers collected the data
5
What is the best evidence for the answer to the previous question?
Lines 35-38 (“When... body”)
Lines 52-54 (“Previous . . . a V”)
Lines 66-67 (“Alternatively... resistance”)
Lines 47-48 (“Smaller... difficult”)
6
As used in line 72, “ripple” most nearly means
undulate
spread
wave
fluctuate
7
The main purpose of this passage is to
explain research conducted to study why birds fly in V formation
discuss the effects of downdrafts on birds and airplanes
illustrate how birds sense air currents through their feathers
describe how planes can save fuel by flying in V formation
8
The author uses the phrase “aerodynamic sweet spot” in line 63 most likely to
suggest a certain position in a V formation has the least wind resistance
describe the birds’ synchronized wing movement
describe how the proper structural design of an airplane helps to save fuel
show that flying can be an exhilarating experience
9
What can reasonably be inferred about the reason Usherwood used northern bald ibises as the subjects of his study?
The ibises were well acquainted with their migration route
The ibises have a body design that is similar to that of a modern airplane
The ibises were easily accessible for Usherwood's team to track and observe
Usherwood knew ibises were familiar with carrying data loggers in migration
10
What choice provides the best evidence for the previous answer?
Lines 22-24 (“The study... Europe”)
Lines 3-7 (“A new . . . flight”)
Lines 10-12 (“Squadrons... same”)
Lines 29-31 (“The device’s... flaps”)

SAT Natural Science Practice Flashcards | StudBud