Found mostly in freshwater, members of the ____ Lophotrochozoan phylum have a wheel-like, ciliated food-gathering

organ around their head called a corona, and some reproduce by parthenogenesis.



a. Rotifera
b. Mollusca
c. Platyhelminthes
d. Annelida
e. Nemertea


ANSWER: a

Biology & Microbiology

You might also like to view...

How do birth control pills prevent fertilization? 

A. They alter the uterine environment so that sperm cannot survive. B. They prevent follicle development and ovulation. C. The provide hCG, indicating that fertilization has already occurred. D. They inhibit menstruation. E. They prevent implantation.

Biology & Microbiology

In the following community, which serves as the keystone species?

A) killer whales B) sea otters C) sea urchins D) kelp bed

Biology & Microbiology

The process of RNA editing can alter the base sequence of the mRNA following transcription

Indicate whether the statement is true or false

Biology & Microbiology

Complete the analogy: ________ are to plant evolution as ________ is/are to vertebrate evolution

A) Ferns; insects B) Mosses; Tiktaalik C) Angiosperms; fungi D) Fungi; birds

Biology & Microbiology