Which sentences need a colon added? Select the two correct answers.(1 point)

Question

When thunderstorm updrafts lift raindrops into colder temperatures, they form hail.
Some fish have large teeth, such as the sheepshead fish and the payara.
There are three main categories of ecosystems freshwater, marine and terrestrial.
The professor correctly predicted the results of her experiment, which showed that getting too little
sleep caused people to make more mistakes.
A reporter summarized the situation "The floodwaters are finally receding, and the cleanup has
begun."

Answer 1

The sentences that need a colon added are:

1. There are three main categories of ecosystems: freshwater, marine, and terrestrial.
2. A reporter summarized the situation: "The floodwaters are finally receding, and the cleanup has begun."