The outer layer of the molluscan shell is called the ____ layer

a. foot
b. collagen
c. nacreous
d. prismatic
e. periostracum


E

Biology & Microbiology

You might also like to view...

If a molecule of carbon dioxide released into the blood in your left toe is exhaled from your nose, it must pass through all of the following EXCEPT _____

A) the pulmonary vein B) an alveolus C) the trachea D) the right atrium E) the right ventricle

Biology & Microbiology

Which of the following is a possible outcome of activation of the complement system?

A. inflammation B. enhanced phagocytosis C. bacterial cell lysis D. All of the answer options are correct.

Biology & Microbiology

Methanogens can live only in ________ environments.

A. anaerobic B. microaerophilic C. aerobic D. All of the choices are correct.

Biology & Microbiology

Populations can be divided into three ecologically important age classes: prereproductive, reproductive, and ________

Fill in the blank(s) with correct word

Biology & Microbiology