Intro to Marine Bio
This term describes organisms that live floating in the water column.
What is Plankton
Stinging cells found only in cnidarians.
What are cnidocytes?
The muscular structure mollusks use for movement.
What is the foot?
Arthropods have a hard external covering called a ____.
What is an exoskeleton?
Adult echinoderms have this type of symmetry.
What is pentaradial symmetry?
These organisms live on or near the ocean floor.
What are benthos?
A jellyfish body form that is free-swimming.
What is medusa?
The feeding structure with tiny teeth used by many mollusks.
What is the radula?
Arthropod appendages are described as being ____.
What is jointed?
The internal skeleton of echinoderms is made of ____.
What are calcium carbonate?
The process by which phytoplankton produce energy using sunlight.
What is photosynthesis
Ctenophores move using these structures
What are cilia
This group includes squid, octopus, and cuttlefish.
What are cephalopods?
This process allows arthropods to grow by shedding their exoskeleton.
What is molting?
This system helps echinoderms move and feed.
What is the water vascular system?
The study of how organisms interact with each other and their environment.
What is ecology?
he type of symmetry found in cnidarians.
What is radial symmetry?
A structure that secretes the shell in mollusks.
What is the mantle?
Crabs, shrimp, and lobsters belong to this arthropod group.
What are crustaceans?
A sea star’s ability to regrow lost arms is called ____.
What is regeneration?