With even most types of the continent's iconic black-and ... travelers from exporting and importing various goods, plants, ...

An ecosystem is a group of animals, plants and microorganisms that live together. The group of each type of living thing is called a community, and the place that they live is called a habitat.

However, starfish (keystone species) preferentially consume mussels, and in doing so, free up space for many other organisms to settle and grow, thus increasing biodiversity within this ecosystem.

Kodiak bears, commonly found in Alaska, are one of the largest types of bears, and one of the largest of animals all around the world. They can weigh up to 680 kilograms, which is 1,500 pounds ...