Which animal is bilaterally symmetrical and has a pair of ganglia instead of a true brain?
A) jellyfish
B) planarian
C) earthworm
D) grasshopper
E) centipede

Question

Which animal is bilaterally symmetrical and has a pair of ganglia instead of a true brain?​
A) ​jellyfish
B) planarian​
C) ​earthworm
D) ​grasshopper
E) ​centipede

Quizplus · Accepted Answer

Planarians are bilaterally symmetrical and possess a pair of ganglia that function similarly to a brain, but are not a true brain, distinguishing them in this context.

Which Animal Is Bilaterally Symmetrical and Has a Pair of Ganglia