Question

read the passage.
what does the text explain about santa cruz island?
the text tells about a problem on the island that scientists needed to
the text compares and contrasts the island with other ecosystems.
summary
santa cruz island is a special place that is a home to several unusual species of animals. however, until a few decades ago, the islands ecosystem was threatened by invasive animals and plants. chemicals and non - native farm animals changed the ecosystem so much that many native animals could no longer live on the island. after a while, scientists stepped in to try to rescue the island habitat. first, they worked to remove non - native plants and animals. then, they brought native species back to the island. they didnt want invasive

Explanation:

The summary clearly states that the island's ecosystem was threatened (a problem) and scientists stepped in to rescue it. There is no mention of comparing and contrasting with other ecosystems.

Answer:

The text tells about a problem on the island that scientists needed to.