Invasive species can have a major impact on the natural environment.

In marine biology, plankton is an important part of the marine ecosystem.

He is devoted to the study of neoplasms.

The products of this region are very delicious.

Angiosperms make up the majority of plant species on Earth.

He is a world-famous physicist.

My biological clock is disrupted, and I've been having sleepless nights.

There are many succulent plants in my room.

He was just looking from a distance while the problem was happening.

Vertebrates are organisms whose part of the skeleton is composed of a spine.