AP Biology Questions Help?

Test Preparation AP Test Preparation
1

<p>Hi can anybody help explain these two questions and why the choices are right and wrong?</p>

<p>25) </p>

<p>Generally, wind pollination is most likely to be found in seed plants that grow<br>
A) close to the ground.<br>
B) in dense, single-species stands.<br>
C) in relative isolation from other members of the same species.<br>
D) along coastlines where prevailing winds blow from the land out to sea.<br>
E) in well-drained soils. </p>

<p>plants often use changes in day length (photoperiod) to trigger events such as dormancy and flowering. It is logical that plants have evolved this mechanism because photoperiod changes
A.are more predictable than air temperature changes.
b.can reset the biological clock.
c.alter the amount of energy available to the plant.
D.are correlated with moisture availability.
E.are moidified by soil temperature changes.</p>

<p>Thanks</p>

2

<p>can anybody help me to identify what I, III, and IV are?

<a href=“http://i47.■■■■■■■.com/nqpmqd.jpg[/IMG]”>http://i47.■■■■■■■.com/nqpmqd.jpg

</a></p>

<p>thanks</p>