Multiple Choice
Why do pine trees have two different types of cones?
A) One type produces the gametophyte, the other type produces the sporophyte.
B) One type produces ovules, the other type produces pollen.
C) One type is produced in the fall, the other type is produced in the spring.
D) One type produces seeds, the other type produces fruit.
Correct Answer:

Verified
Correct Answer:
Verified
Q53: The pollen tube grows from the _
Q54: The _ is the dominant form of
Q55: What causes the annual growth rings of
Q56: Assuming it doesn't die unexpectedly, how often
Q57: Name four ways roots benefit a plant.
Q59: What mechanism is responsible for moving water
Q60: The male part of the flower is
Q61: All fungi are harmful to humans.
Q62: The tall ferns that we typically see
Q63: If a fungicide was applied near a