Questions and Answers
Comb jellies may have evolved from coelenterates.
True
Comb jellies are considered plankton.
True
Fresh water comb jellies are exclusively tropical.
False
Scientists use plankton nets to collect comb jellies.
Signup and view all the answers
There are over sixty species of ctenophores.
Signup and view all the answers
Many comb jellies are bioluminescent.
Signup and view all the answers
Unlike many jellyfish, comb jellies are usually colorless.
Signup and view all the answers
Comb jellies often swarm in large aggregations.
Signup and view all the answers
Sharks eat comb jellies.
Signup and view all the answers
Beroe's comb jelly was named after the Greek goddess of hair, Beroe.
Signup and view all the answers
What class are comb jellies a part of?
Signup and view all the answers
What likes jellyfish?
Signup and view all the answers
What do comb jellies prey on?
Signup and view all the answers
Do comb jellies contain both female and male parts?
Signup and view all the answers
How long can their tentacles grow?
Signup and view all the answers
Study Notes
Comb Jellies Overview
- Comb jellies may have evolved from coelenterates, suggesting a potential ancestral link.
- Classified as plankton, they drift and are carried by ocean currents.
- Not exclusively tropical; fresh water comb jellies can exist in various climates.
Collection and Species
- Plankton nets are ineffective for collecting comb jellies; other methods are typically employed.
- There are over one hundred species of ctenophores, contrary to some misconceptions.
Characteristics and Behavior
- Many species of comb jellies exhibit bioluminescence, allowing them to emit light.
- Generally, comb jellies are colorless, differentiating them from many jellyfish that display vibrant colors.
- They often form large swarms or aggregations in aquatic environments.
Predation and Ecology
- Sharks are known to prey on comb jellies, showcasing their role in the marine food web.
- Comb jellies prey on plankton, larvae, and roe, serving as predators in the ecosystem.
Biological Traits
- Comb jellies are hermaphroditic, containing both male and female reproductive parts.
- Their tentacles can grow between 4 to 6 inches in length, assisting in capturing prey.
Classification
- Comb jellies belong to the class Ctenophora, highlighting their unique taxonomic group among marine organisms.
Studying That Suits You
Use AI to generate personalized quizzes and flashcards to suit your learning preferences.
Description
Test your knowledge on comb jellies with these flashcards from Chapter 7 of Marine Biology. This quiz covers key facts about their evolution, habitat, and classification. Perfect for students wanting to master this topic!
