<img src="https://d5nxst8fruw4z.cloudfront.net/atrk.gif?account=iA1Pi1a8Dy00ym" style="display:none" height="1" width="1" alt="" />
Dismiss
Skip Navigation
Our Terms of Use (click here to view) and Privacy Policy (click here to view) have changed. By continuing to use this site, you are agreeing to our new Terms of Use and Privacy Policy.
You are viewing an older version of this Concept. Go to the latest version.

Annelids

Annelids are commonly described as segmented worms and possess a distinct coelom like mollusks.

Atoms Practice
Estimated3 minsto complete
%
Progress
Practice Annelids
Practice
Progress
Estimated3 minsto complete
%
Practice Now
Hiding In Plain Sight
teacher Contributed

Hiding In Plain Sight

Student Exploration

Where Did That Go?

Being not seen is a useful trait in a world of predators and prey. But how do you hide in a world without bounds? Find out here how some organisms have met this challenge in the mid-water of the worlds oceans.

Extension Investigation

Use the below resources to answer the following questions

  1. How is the mid-water defined?
  2. What colors are used for camouflage in the mid-water?
  3. Why are these specific colors used?
  4. Why do some animals use red “searchlights”? Do these searchlights benefit organisms other than the fish with the flashlight?
  5. What problems to internal organs pose for transparent organisms?
  6. What are nekton?

Resources Cited

Image Attributions

Explore More

Sign in to explore more, including practice questions and solutions for Aquatic Organisms.
Please wait...
Please wait...