A digestive cavity in which food enters an opening at one end and passes through the animal in one direction as it is digested is called the
A. gastrovascular cavity.
B. epithelial cavity.
C. intestine.
D. alimentary canal.
E. stomach.
Answer: D
You might also like to view...
A morula becomes a _________ when it reaches the uterus
a. gastrula. b. blastomere. c. blastocyst. d. gamete. e. zygote.
The amount of energy contained in a particular food is measured in ________
Fill in the blank(s) with correct word
Which of the following occurs in the sexual reproduction phase of the fungus life cycle?
A) Hyphae of two different mating fungi fuse. B) Diploid nuclei form, undergo meiosis, and produce haploid spores. C) Heterokaryotic cells separate to re-create the original haploid hyphae. D) Spores germinate and form a haploid mycelium.
Primary growth in plants originates in
A. tracheids. B. vascular cambium. C. apical meristems. D. cork cambium. E. lateral meristems.