Multiple Choice
The progymnosperms had characteristics intermediate between those of the ______ and those of the ______.
A) Paleozoic ferns; gymnosperms
B) Paleozoic ferns; angiosperms
C) seedless vascular trimerophytes; seed plants
D) seedless vascular trimerophytes; modern ferns
E) seedless vascular trimerophytes; rhyniophytes
Correct Answer:

Verified
Correct Answer:
Verified
Q12: In pines, the generative cell of the
Q13: Which of the following is NOT a
Q14: With the evolution of the ovule, the
Q15: Polyembryony is common in gymnosperms because a(n):<br>A)seed
Q16: All seed plants are heterosporous.
Q18: The tallest living plant belongs to the
Q19: In Pinus, when the generative cell divides
Q20: In seed plants, the _ is called
Q21: Which of the following gymnosperms is a
Q22: Which of the following was NOT a