Question

It can reasonably be inferred from Passage 1 that, for most bird species, there is a certain size at which they a. are unable to fly.

b. require less energy when flying.
c. are more likely to attack other animals.
d. do have a to compete with other birds for food.

Answer 1

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JackelineCasarez

The inference can be made that majority of the bird species, there exists a particular size at which:

a). are unable to fly.

Bird Species

As per Passage 1, the author offers descriptions regarding the various constraints that affect the flight of the birds.

The demonstration of certain birds in New Zealand having bigger wingspans leads them to be flightless.

Therefore, to an extent, the size impacts the flight of the birds and they cannot fly.

Thus, option a is the correct answer.