The unique double shells of diatoms are made of
A. silica.
B. chlorophylls.
C. proteins.
D. cellulose.
E. agar.
Answer: A
You might also like to view...
In the mid-nineteenth century Charles Darwin and Alfred Russel Wallace observed many organisms. Based on these
observations, they arrived at an explanation, called ____, for how populations change through time.
a. creationism b. natural evolution c. natural selection d. genetics e. evolution
Koplik spots are a diagnostic indicator of
A) chickenpox. B) smallpox. C) fifth disease. D) rubella. E) measles.
Describe the difference between whole-genome sequencing and whole-exome sequencing
What will be an ideal response?
What is the primary characteristic that groups phyla within the Ecdysozoa?
A. They all have spiral cleavage. B. They shed their exoskeletons. C. They all have segmentation. D. They all have tropchophore larvae.