krill

Whales feed on krill in the ocean.

Krill are an important food source for many marine animals.

The population of krill has been declining due to climate change.

Krill oil is rich in omega-3 fatty acids.

Scientists study the behavior of krill to better understand marine ecosystems.

Fishing for krill is regulated to protect the marine ecosystem.

Antarctic krill are a key species in the Southern Ocean food web.

Some species of penguins rely on krill as their primary food source.

Krill play a vital role in nutrient cycling in the ocean.

Commercial harvesting of krill can impact the entire marine ecosystem.