Home
Reading
Complete the Words Test #092
Fill in the missing letters in a paragraph
Coral reefs are large underwater ecosystems built by the skeletons of tiny marine animals called coral polyps.
are often
to
the "rainforests of the sea"
of the incredible
of life
support.
vibrant habitats
food
shelter for
a quarter of all marine species. They also protect coastlines from storms and erosion by absorbing wave energy. The health of these delicate ecosystems is a critical indicator of overall ocean health.
- 1. They
- 2. referred
- 3. as
- 4. because
- 5. diversity
- 6. they
- 7. These
- 8. provide
- 9. and
- 10. about
Highlights
| ID: | #io8697233624 |
Tags
New TOEFL