School of Life Sciences | Ask A Biologist

dropdown arrow downdropdown arrow upshow/hide menu

Why is Rudolp's nose red?

The Invisible Watery World of Plankton

show/hide words to know

  • Phytoplankton: photosynthetic plankton that are usually microscopic and are also called “algae"... more
  • Plankton: a group of free floating organisms living in water that includes many kinds of plants and animals... more

When you visit a pond or the beach, what kinds of living things do you see in the water? Depending on the environment, you might find fish, frogs, crabs, insects, seaweed, or lily pads. Don’t let your eyes fool you, though… there’s a hidden world in water full of creatures too small to be seen!

To learn more about plankton, visit An Invisible Watery World or check out these amazing creatures up close in our Plankton Zoom Gallery.

Isopod

Small crustaceans such as this isopod roam around the ocean floor.

Share to Google Classroom

Be part of Ask A Biologist

by volunteering, or simply sending us feedback on the site. Scientists, teachers, writers, illustrators, and translators are all important to the program. If you are interested in helping with the website we have a Volunteer page to get the process started.

dropdown arrow downdropdown arrow up  Learn More

Isopod

Small crustaceans such as this isopod roam around the ocean floor.

Share to Google Classroom

Be part of Ask A Biologist

by volunteering, or simply sending us feedback on the site. Scientists, teachers, writers, illustrators, and translators are all important to the program. If you are interested in helping with the website we have a Volunteer page to get the process started.