Cephalopods

Front

What is a cephalopod?

Back

Cephalopods are a class of mollusks that include octopuses, squids, cuttlefish, and nautiluses, characterized by their bilateral body symmetry, a prominent head, and a set of arms or tentacles.

Front

Which species of octopus can be deadly to humans?

Back

Blue-Ringed Octopus.

Front

What is true of ALL cephalopods?

Back

They have soft bodies, tentacles/arms, and streamlined bodies.

Front

What are chromatophores?

Back

Chromatophores are specialized cells in the skin of cephalopods that allow them to change color for communication and camouflage.

Front

What group of cephalopods has 2 longer, clawed tentacles?

Back

Squid.

Front

What structures on cephalopods act as a water pump for jet propulsion?

Back

Siphons.

Front

What is the primary function of a cephalopod's siphon?

Back

The siphon is used for jet propulsion, allowing cephalopods to move quickly through the water.

Front

How do cephalopods use their tentacles?

Back

Cephalopods use their tentacles for capturing prey, manipulating objects, and locomotion.

Front

What is the role of gills in cephalopods?

Back

Gills are used for respiration, allowing cephalopods to extract oxygen from water.

Front

What is the difference between a squid and an octopus?

Back

Squids have a more elongated body and two longer tentacles, while octopuses have a rounder body and eight equal-length arms.