'A nematode is a roundworm; a planarian's shape gives it this name'
a flatworm
LIFE SCIENCE: A nematode is a roundworm; a planarians shape gives it this name
A nematode is a roundworm; a planarian's shape gives it this name
A nematode is a roundworm; a planarian's shape gives it this name
LIFE SCIENCE
a flatworm
LIFE SCIENCE