American Salt Marshes · Part 4
Complete the sentences below. Write ONE WORD ONLY for each answer.
Choose the correct letter, A, B or C.
Complete the notes below. Write NO MORE THAN TWO WORDS for each answer.
Complete the sentences below. Write ONE WORD ONLY for each answer.
American Salt Marshes
The salt content in marshes can be as high as that of the 31 .
At different times of the day, there are changes in salinity and in the 32 and warmth of the water.
Animals such as worms and shrimps feed on the 33 that grow in the marsh.
Marshland in the US has been used in the past for 34 cultivation.
Choose the correct letter, A, B or C.
- 35
The speaker says that one result of erecting artificial walls in salt marshes is that
- 36
Some people have complained about the building of dikes because
- 37
In the 20th century, a large proportion of marshes in America became
- 38
There are now laws which help to prevent
Complete the notes below. Write NO MORE THAN TWO WORDS for each answer.
The Horseshoe Crab
• Related to: spider
• Most common food: 39
• Time of year when female lays eggs: 40