Found mostly in marine environments, members of this Lophotrochozoan phylum are called ribbon
worms or proboscis worms. They have a muscular, mucus-covered tube that they can turn inside out to
capture prey.
a. Rotifera
b. Mollusca
c. Platyhelminthes
d. Annelida
e. Nemertea
E
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An organism that does not require oxygen, grows better in the absence of oxygen, but can survive in atmospheres containing some molecular oxygen is known as a/an:
A) aerotolerant anaerobe. B) capnophile. C) facultative anaerobe. D) microaerophile.
Along with a significant genetic component, ____________________ plays a significant role in the development of spina bifida
Fill in the blank(s) with correct word
Short tandem repeats (STRs)
A. are useful in identifying specific individuals. B. are important sites in vectors where foreign DNA can be integrated. C. are errors that can arise during DNA sequencing. D. are DNA fragments generated during PCR.
The gastrointestinal system and many other internal organs are formed by the_______.
a. endoderm b. mesoderm c. ectoderm d. trophoblast