Targeted Skills: Taking Notes and Writing
Chapter 1 Section 1: “Mollusks”
Name: _________________________________ Date: _______
Main Idea Red
Details Blue
First Paragraph
Answer the question: What is this
section going to be discussing?
_____________________________
_____________________________
_____________________________
_____________________________
________________________
Characteristics of Mollusks
1. Define Mollusk (Bold):
____________________________
____________________________
____________________________
____________________________
2. What are some characteristics of a
mollusk (Bold).
_____________________________
_____________________________
_____________________________
_________________________
Body Structure
1. What is the body structure of a
mollusk?
_____________________________
_____________________________
_____________________________
_____________________________
________________________
Circulatory System
1. What is an open circulatory system
_____________________________
_____________________________
_____________________________
_____________________________
________________________
Obtaining Oxygen
1. Define gills:
_____________________________
___________________________
2. Explain in your own words how
mollusks get oxygen?
_____________________________
_____________________________
_____________________________
_____________________________
________________________
Snails and Slugs
Obtaining Food and Oxygen
1. What are the three major groups of
mollusks?
1. Explain in your own words what a
herbivore, carnivore, and radula are.
_____________________________
_____________________________
_____________________________
_____________________________
_____________________________
_____________________________
_____________________________
_____________________________
________________________
________________________
2. Gastropods have a __________
2. What is the function of a radula?
____________ shell or no
_____________________________
_______________ at all.
_____________________________
_____________________________
_____________________________
________________________
Movement
1. If you were a gastropod how would
you get around?
_____________________________
_____________________________
__________________________
Two-Shelled Mollusks
Obtaining Food
1. Explain bivalves in your own
words.
1. You are a two-shelled mollusk. How
would you eat?
_____________________________
_____________________________
_____________________________
_____________________________
_____________________________
_____________________________
_____________________________
_____________________________
________________________
________________________
2. How do two-shelled mollusks move?
_____________________________
_____________________________
_____________________________
_____________________________
________________________
Protection
1. Compare how two shelled mollusks
protect itself like a person protects
itself from irritating handlebars.
_____________________________
_____________________________
_____________________________
_____________________________
________________________
Octopuses and Their Relatives
Obtaining Food
1. In your own words describe
what a cephalopods is.
1. You are octopuse in the ocean, how
are you getting your food?
_____________________________
_____________________________
_____________________________
_____________________________
________________________
_____________________________
_____________________________
_____________________________
_____________________________
________________________
Nervous System
2. Compare a cephalopod to bivalve.
_____________________________
2. Explain what about an octopus makes
it able to know when food deliveries will
_____________________________
happen and how to escape their cages in
_____________________________
captivity.
_____________________________
_____________________________
________________________
_____________________________
_____________________________
_____________________________
________________________
Movement
1. What does the foot of a cephalopod
look like?
_____________________________
_____________________________
_____________________________
_____________________________
________________________
Using your notes or book answer the following questions.
1. In the box below, create a drawing of the different types of mollusks and their
characteristics?
2. How are the foot structures of a snail, a clam, and an octopus similiar, how are
they different?
______________________________________________________________
______________________________________________________________
______________________________________________________________
______________________________________________________________
_______________________________________________