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General
Numbers
Anatomy
Specific Polychaetes
Errant vs sedentary
100
What are the two maine groups of polychaetes
What is errant and sedentary
100
There are around _______ species of Polychaetes alive today
What is 10,000
100
Polychaetes are __________ worms
What is segmented
100
give the scientific name for one polychaete
many possible answers
100
What does the word errant mean
What is motile
200
Polychaetes are nicknamed ____________ and ___________
What is Marine worms and Bristle worms
200
polychaetes can get between ___________ to _________long
What is 1 mm to 200 ft long
200
This limb is used for locomotion and respiration
What is Parapodia
200
Why was the bearded fireworm given its name
Because of the burning sensation it causes when you have been injected with its bristles
200
Errant Polychaetes have Well developed _____________ and _______
What is sensory organs and jaws
300
Polychaetes can be excellent indicators of the effects of _________________
What are pollutants
300
Fertilization varies from _________ to ________
What is hours to months
300
Bristles coming off of Parapodia are called
What is chaetae or setae
300
How many bombs does the green bomber have
What is eight
300
What are sedentary Polychaetes tubes made out of
What is mucus, calcium or sand.
400
what are two defensive mechanism Polychaetes use?
Bearded Fireworms: poisonous bristles Green Bomber: Glowing green bombs
400
How many million years old are Polychaete fossils suspected to be?
What is 545 – 580 million years old
400
What is the Nuchal organ
What is a ciliated pit or groove present on the of the first segment of annelid worms
400
sea mice have been found at depths of over_______ ft
What is 9,800
400
What do errant Polychaetes have that sedentary don't
What is Parapodia
500
Polychaete larvae are called
what is trochophore larvae
500
Polychaetes go though how many steps in their life cycle until they are an adult?
What is 6 steps (including adult)
500
What does the Prostomium or head region of Polychaetes often called because of its looks?
What is an acorn
500
What is the typical coloration pattern of a lugworm
The head end is dark red; behind it the body is lighter in color, toward the tail the body becomes thinner and yellowish red
500
Why do sedentary Polycheates have a ventral sac and what does it hold?
The ventral sac holds sand and it is used to make or fix their tubes