Given What You Know About Pollination and Fertilization in Pines

question 111

Multiple Choice

Given what you know about pollination and fertilization in pines, what is a reasonable hypothesis for both the survival of pollen and the growth of the pollen tube inside the ovule?

• A)There is a substantial transfer of signals and nutrients between male and female gametophytes.
• B)The male gametophyte and pollen tube are nutritionally independent of both the female sporophyte and female gametophyte.
• C)There is a substantial transfer of signals and nutrients between the male gametophyte and female sporophyte.
• D)There is a substantial transfer of signals and nutrients between the male sporophyte and female sporophyte.

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