Nematodes and rotifers have a body cavity that is
a. called a coelom.
b. called a pseudocoelom.
c. completely lined by tissues derived from mesoderm.
d. both a and c.
d
You might also like to view...
Which of the following disorders affects the liver?
a. GERD b. hepatitis c. diverticulitis d. IBS e. Crohn’s disease
Which two functional groups are always found in amino acids?
A) carbonyl and amino groups B) carboxyl and amino groups C) amino and sulfhydryl groups D) hydroxyl and carboxyl groups
Alders are trees with symbiotic nitrogen fixing bacteria in their roots. This enables alders to be a key part of ________ in recently glaciated areas in Alaska.
A. secondary succession B. primary succession C. inhibition D. emigration E. species extinction
The trait of medium-sized leaves in iris is determined by the genetic condition PP?. Plants with large leaves are PP, whereas plants with small leaves are P?P?. A cross is made between two plants each with medium-sized leaves. If they produce 80
seedlings, what would be the expected phenotypes, and in what numbers would they be expected? A) 20 (large leaves), 20 (medium leaves), 40 (small leaves) B) 40 (large leaves), 40 (medium leaves), 0 (small leaves) C) 40 (large leaves), 0 (medium leaves), 40 (small leaves) D) 10 (large leaves), 60 (medium leaves), 10 (small leaves) E) 20 (large leaves), 40 (medium leaves), 20 (small leaves)