Ferns and pine trees can be classified as different organisms from each other based on whether they have
A. a nonvascular system.
B. flowers.
C. seeds.
D. a vascular system.
1 answer
D. a vascular system.
A. a nonvascular system.
B. flowers.
C. seeds.
D. a vascular system.
1 answer
3 answers
1 answer
1 answer
1 answer