Moodle - BIO 106 Lab- Week 11
Cephalopoda, Bivalvia
Identify these two classes
a soft body with four distinctive regions: head, foot, visceral mass, and mantle.
The phylum characteristics of this organism are...
may inject ink when injected, has a cuttlebone
What are characteristics of this organism's class?
trochophore larvae
What is a presumed homology that connects the mollusks to the annelids?
not found in bivalves, a raspy tongue
What is a rudula?
the oldest, raised part of a bivalve shell
What is an umbo?
Stomach, foot
What is the Greek/Latin derivation of the name gastropod?
Mean
an average calculated by summing all the values and dividing by the sample size
head, foot
Squid and octopuses are in the Cephalopoda. What is the derivation of the name "Cephalopoda"?
Confidence Interval
approximately the mean ± 2*standard error
Sample Size
the number of variates for a variable within a group
Standard Error
the standard deviation of items divided by the square root of the sample size