The ______________ is a digestive cavity in which food enters an opening at one end and passes through the animal in one direction as it is digested.
A. gastrovascular cavity
B. stomach
C. alimentary canal
D. epithelial cavity
E. intestine
C. alimentary canal
You might also like to view...
The ____ is a system of vesicles that wraps around each A band and I band
a. neuromuscular junction b. Golgi apparatus c. sheath d. microvillus e. sarcoplasmic reticulum
The concept of developmental constraint may be defined as ________
A) the sudden appearance of new phenotypes B) homoplasy that results from the same underlying developmental mechanism C) phenotypic similarity due to descent from a common ancestor D) a bias toward certain kinds of variation in phenotype E) the fact that all animals develop using the same "toolkit" of Hox genes
Which of the following is a common human use of bacteria?
A. producing sugar B. decomposition in sewage treatment plants C. producing antibiotics D. All of the above are correct.
Which of the following are characteristics that all bryophytes share? Select all correct choices
A. thalli B. sporophyte and gametophyte generations C. stomata D. water-dependent sperm E. desiccation resistance