2. 1. A butterfly with unusual migratory habits (is/are) of
great interest to scientists.
2. A trait of monarch butterflies (is/are) migrating for
many miles.
3. Other species of this insect also (embark/embarks)
on long voyages.
4. Flights of the large sulphur butterfly (has/have)
been recorded by ships far out at sea.
5. One factor influencing butterfly distribution (is/are)
geographical barriers.
3. 6. A butterfly’s adult life span (is/are) approximately
thirty days.
7. Butterflies (is/are) a kind of insect found on all
continents except Antarctica.
8. The wide, colorful wings of a butterfly (is/are) one
characteristic that distinguishes it from a moth.
9. There (is/are) many illustrations of butterflies in my
encyclopedia.
10. (Does/Do) your encyclopedia illustrate
metamorphosis?
4. 11. Here (is/are) a detailed drawing of a butterfly.
12. In this section (is/are) the illustrations you want.
13. To a lepidopterist a hundred butterflies or a single
moth (is/are) important.
14. A team at the college (has/have) been studying
butterflies.
15. Two years (is/are) how long the research project will
last.
5. 16. Every man and woman on the team
(believes/believe) in the project.
17. Almost all if these insects (has/have) some means
of protection from enemies.
18. Protective coloration, as well as spiny larvae,
(is/are) characteristics of many butterflies.
19. The monarch butterfly, in addition to the pipe vine
swallowtail, (has/have) a bitter taste.
20. Neither of these butterflies (makes/make) a
tempting meal for a hungry bird.
