Which phylum contains segmented worms?

a. Annelida
b. Arthopoda
c. Porifera
d. Echinodermata


Ans: a. Annelida

Biology & Microbiology

You might also like to view...

A sequence variant of a gene is called a(n)

A) allele. B) mutation. C) nucleotide polymorphism. D) ribotype.

Biology & Microbiology

In a mushroom, the primary mycelium is composed of __________ cells

a. monokaryotic b. dikaryotic c. homothallic d. coenocytic e. prokaryotic

Biology & Microbiology

What is the function of gap junctions?

a. to allow plant cells to communicate with each other b. to allow ions and small molecules to pass between cells c. to give the cell its shape d. to seal the spaces between cells

Biology & Microbiology

The neurotransmitter acetylcholine ____.

A. speeds heart rate B. induces skeletal muscle contraction C. increases anxiety D. has a role in memory and learning E. dilates pupils

Biology & Microbiology