QUIZ - Newsela 9/9/20 - Fish eggs survive duck digestion

Read the paragraph from the section "A Quick Trip For Eggs."

In the study, the ducks pooped out most eggs in about an hour. The longest one took four hours. These ducks can fly up to 60 kilometers (37 miles) in an hour. Flying a few kilometers could bring fish to nearby lakes. In four hours, a duck could travel hundreds of kilometers.

What conclusion can the reader make based on this paragraph?

• Fish eggs traveling by duck poop rarely survive the trip to become adult fish.

• Fish eggs traveling by duck poop can end up far away from where they started.

• Ducks can poop eggs out really quickly and the fish usually end up close to home.

• Ducks have trouble pooping out eggs while the are flying and only do poop in lakes.

Which detail shows that scientists still have many questions about fish eggs in bird poop?

• A biologist is a scientist who studies living things. Vincze works in Debrecen, Hungary. She studied these eggs on their trip. Many fish eggs are soft, like jelly.

• The ducks pooped out just 18 unbroken eggs. But some of the 18 held wiggling baby fish. A few even hatched.

• One large carp can lay hundreds of thousands of eggs. Many different fish and birds will eat fish eggs. All of these egg meals could add up.

• They want to know if bird poop can bring harmful fish to new places. The scientists need to learn if the eggs that ducks poop can grow into adults.

What happened as a result of people bringing carp into fish farm ponds in the 1970s?

• The carp eggs became soft and ducks could break them down with stomach acids.

• The carp eggs were able to survive better in the gizzards and stomachs of ducks.

• The carp got out of the fish farms and began spreading to other rivers and lakes.

• The carp were able to stop invasive species of fish from eating the pond plants.

How did Giliandro Silva become involved with studying fish eggs in duck poop?

• He worked with Orsolya Vincze to learn about carp eggs in ducks.

• He worked with Patricia Burkhardt-Holm to study killifish in swans.

• He studied how some carp moved to U.S. through poop travel.

• He studied killifish that survived the gut of a swan in Brazil.