Question

read the text.
dna testing is an important tool for identifying and tracking endangered species. for instance, scientists can use dna to check that fish served in restaurants is correctly labeled. sometimes, restaurants mistakenly serve endangered fish—periodic dna tests can help prevent this. but what if the animal in question is still alive? the answer may be edna, or environmental dna, which can be taken from the soil or water in which an animal lives without disturbing the animal itself. gathering edna is less stressful to animals than taking dna samples, since scientists can simply take samples of water from its environment.
match the problems with their solutions.
scientists can test dna samples. scientists can test edna samples.
problem solution
restaurants sometimes serve endangered animals.
scientists need to study a living animal without causing stress.

Explanation:

• For the problem "Restaurants sometimes serve endangered animals", the solution is "Scientists can test DNA samples" as the text mentions periodic DNA tests can check if fish served in restaurants is correctly labeled (preventing serving endangered fish).
• For the problem "Scientists need to study a living animal without causing stress", the solution is "Scientists can test eDNA samples" as the text states eDNA (environmental DNA) can be taken from the soil or water without disturbing the animal and gathering eDNA is less stressful to animals.

Answer:

1. Scientists can test DNA samples.
2. Scientists can test eDNA samples.