Question 1: The lower lobe of the ________ is well-developed and the upper
lobe has a ventral notch near the tip.
Question 3: The common name
"milk shark" comes from a belief held in ________ that eating this shark's meat enhances lactation.
Question 4: Like other requiem sharks, the milk shark is viviparous; females usually have a single
functional ovary (on the left)
and two functional uteruses
divided into separate compartments for each ________.
Question 6: The ________ (IUCN) has assessed the milk
shark as being a species of Least Concern; despite being heavily
fished it has a wide distribution and remains fairly common.
The extinct [5 ] R. fischeuri, known from Middle Miocene
(16–12 Ma) deposits in
southern ________ and Portugal, may be the same as
A 1992 [4 ] ________ analysis by Gavin Naylor,
based on allozymes, found
that the milk shark is the most basal of the four
Rhizoprionodon species examined.