The letter “A” in the above figure represents
a. nerve cords.
b. ganglion.
c. brain.
d. branching nerves.
e. none of these.
Answer: c
You might also like to view...
A third mutant allele of gene B (allele b3) causes the frogs' eyes to become green, instead of their normal red color. Normally, gene B effects only skin color. What term describes this allele?
A) Hypermorphic B) Neomorphic C) Hypomorphic D) Amorphic E) Haploinsufficient
Which of the following elements is (are) likely
to provide hints about earth's early atmosphere?
a. ancient rocks b. volcanic eruptions c. ancient rocks and volcanic eruptions d. meteorites and ancient rocks e. meteorites, volcanic eruptions, and ancient rocks
Alternative forms of a gene are called ________
Fill in the blank(s) with correct word
Of the following features, which is the most widely shared in the animal kingdom?
A. radial cleavage B. a body plan with symmetry C. protostome development D. molting of a cuticle or exoskeleton E. a triploblastic embryo