The following questions refer to the generalized life cycle for land plants shown in Figure 30.1. Each number within a circle or square represents a specific plant or plant part, and each number over an arrow represents either meiosis, mitosis, or fertilization.

Figure 30.1
-In seed plants, which part of a pollen grain has a function most like that of the seed coat?

Question

The following questions refer to the generalized life cycle for land plants shown in Figure 30.1. Each number within a circle or square represents a specific plant or plant part, and each number over an arrow represents either meiosis, mitosis, or fertilization.
  
Figure 30.1
-In seed plants, which part of a pollen grain has a function most like that of the seed coat?

Quizplus · Accepted Answer

The sporopollenin layer in the pollen grain serves a function similar to that of the seed coat in protecting the developing embryo (in this case, the male gametophyte) from dehydration and other environmental stresses.

The Following Questions Refer to the Generalized Life Cycle for Land