Multiple Choice
Two characteristics shared by gymnosperms and angiosperms that are absent from earlier plant groups and represent key adaptations to life on dry land are
A) a vascular system and lignin.
B) flagellated sperm and gametangia.
C) flowers and fruits.
D) pollen and seeds.
Correct Answer:
Verified
Correct Answer:
Verified
Q67: Suppose you have two small plants. You
Q68: During the Carboniferous period, photosynthesis in immense
Q69: Red maples and other wind-pollinated plants invest
Q70: To cross-fertilize flowers A and B, one
Q71: Which of the following statements is true?<br>A)
Q73: The last common ancestor of animals and
Q74: As fungi play important roles in ecosystem
Q75: The plant genus Pinus reaches optimal growth
Q76: A leaf with a higher density of
Q77: Tomato seeds are often consumed by birds