Cephalopoda Test

Question 1

What does Cephalopoda mean?

Answer 1

head foot

Question 2

What organisms are in the class Cephalopoda?

Answer 2

squid, octopus, nautilus, and cuttlefish

Question 3

What is the nervous system like?

Answer 3

nervous system of well developed ganglia, centralized to form a brain

Question 4

What is reproduction like for Cephalopoda?

Answer 4

dioecious with direct development (sperm transferred to females using spermatophores. Eggs fertilized in female’s mantle cavity and deposited singly or in stringlike masses)

Question 5

Type of circulatory system in Cephalopod?

Answer 5

Closed Circulatory System

Question 6

What are the pigments that allow cephalopods to change their color?

Answer 6

Chromatophores

Question 6

What are the pigments that allow cephalopods to change their color?

Answer 6

Chromatophores

Question 7

What is the difference between arms and tentacles?

Answer 7

arms - suction cups on the entire length of the limb
tentacles - suction cups near the end of limb