The next step after that will be to examine "how plastics move through the Antarctic food web from tiny animals like krill to larger ones like fishes, penguins, and seals," per Sierra. You can ...

Make a model of a food web. Explain how changes in the population ... Macaroni penguins, leopard seals, krill, elephant seals, snow petrels, skuas, fur seals, squid, various insects, and grass.

The bountiful creatures sequester carbon and are a vital food source for marine predators, but their future is uncertain ...

For humpback whales in the Pacific, their songs may be a solid indicator of the type of food that is swimming nearby ... Initially, there was a large increase in krill, shortly followed by ...

Blue whales lunge through large swarms of krill with their mouths open, taking in more food in one mouthful than any other animal on Earth. Krill make up the vast majority of a blue whale's diet. The ...