In early gastrulation, a depression called a blastopore forms. If this blastopore forms the anus, the animals are referred to as
A) Deuterostomes.
B) Protostomes.
C) Gastrostomes.
D) Diploblasts.
Answer: A
You might also like to view...
Which of the following is the typical time a thermometer needs to be in the rectum until reading?
a. 1 minute c. 60 seconds b. 30 seconds d. both A and C
Which of the following connects the olfactory bulbs to the olfactory area of the cerebrum?
A) olfactory receptor cells B) supporting cells C) olfactory tracts D) olfactory glands
What type of loose connective tissue is found around blood vessels and nerves and under epithelium, holding these structures in place?
What will be an ideal response?
Blood volume would be increased by ________.
A. increased atrial natriuretic factor secretion B. decreased aldosterone secretion C. decreased vasopressin secretion D. increased renin secretion