The purple sea pen is an unusual colonial marine cnidarian that bears a striking resemblance to an old-fashioned feathered quill pen. To which phylum does the purple sea pen belong?
a. Scyphozoa
b. Cubozoa
c. Anthozoa
d. Hydrozoa
c. Anthozoa
Biology & Microbiology
You might also like to view...
In lactation, milk production is stimulated by _______, while milk release is stimulated by ___________.
A. oxytocin, prolactin B. progesterone, oxytocin C. prolactin, oxytocin D. prostaglandin, oxytocin E. progesterone, prolactin
Biology & Microbiology
The general term for disorder associated with decreased oxygen delivery by blood is ____
a. malaria b. leukemia c. mononucleosis d. anemia e. toxemia
Biology & Microbiology
What is the effect of surrounding a gene with insulators?
What will be an ideal response?
Biology & Microbiology
Sedimentary rocks collected from southwestern Greenland suggest the Earth is roughly ________ billion years old
a. 1 b. 4 c. 10 d. 16
Biology & Microbiology