Decide whether each sentence uses a colon correctly or incorrectly.(2 points)

Question

Correct Incorrect
There are many flightless birds, including the following: the penguin, the ostrich, and the emu.

If we don't restrict use of the park: there will be serious consequences overcrowding, water pollution, and land erosion.

A traveler to the Sonoran Desert will be rewarded with an amazing sight: the saguaro cactus.

A biologist summarizes: the process "We use molecular testing to determine the health of the fish."

Answer 1

Here’s the review of the usage of colons in each sentence:

1. Correct - "There are many flightless birds, including the following: the penguin, the ostrich, and the emu."

2. Incorrect - "If we don't restrict use of the park: there will be serious consequences overcrowding, water pollution, and land erosion." (This could be corrected to "If we don't restrict use of the park, there will be serious consequences: overcrowding, water pollution, and land erosion.")

3. Correct - "A traveler to the Sonoran Desert will be rewarded with an amazing sight: the saguaro cactus."

4. Incorrect - "A biologist summarizes: the process 'We use molecular testing to determine the health of the fish.'" (This could be corrected to "A biologist summarizes the process: 'We use molecular testing to determine the health of the fish.'")

So, the summary would be:

• Correct: 1, 3
• Incorrect: 2, 4