A structure grown by a pollen grain that contains two sperm nuclei is called a(an) __________________

What are two environmental factors that can cause a seed to end dormancy and germinate?

a. _______________________________
b. _______________________________

In the gymnosperm life cycle, how do the pollen grains reach the female cones? __________________

In gymnosperms, pollen grains form in __________________

What is dormancy? __________________

Circle the letter of what a cutting must have to form roots when placed in a rooting mixture.
a. Several stolons $\hspace{1cm}$c. Buds containing rneristernatic tissue
b. A taproot $\hspace{1.7cm}$d. Buds without rneristernatic tissue

What adaptation does a coconut seed have that helps its dispersal? __________________

How long does the gymnosperm life cycle typically take to complete? __________________

Why might a horticulturist not want a plant to reproduce sexually by seeds? _________________

The method of asexual reproduction used by many flowering plants is called __________________

What is a fruit? __________________

Circle the letter of each sentence that is true about the alternation of generations in plants.
a. In all plants, the sporophyte generation is diploid.
b. The gametophyte in seed plants is hidden within the sporophyte plant.
c. The recognizable part of a seed-bearing plant is the gametophyte.
d. In all plants, the gametophyte generation is haploid.

What are examples of plant diseases that water molds cause?

What are two distinguishing characteristics of prokaryotes?