Choices A, B, D, and E are all incorrect. Animal-pollinated plants have petals that are colorful and nectar that is sweet. These traits target the senses of sight, taste, and smell of the animals and make them attracted to the plants.

C. color and shape of the petals

The oval-shaped structure in the stamen is called an anther. This structure is where the pollen is produced. If the anthers are removed, there are no male gametophytes or pollen grain that are produced by the flower. In this case, the flower cannot self-pollinate. It can only form seeds if it receives pollen grain from other flowers.

D. The flowers may form seeds if it receives pollen made by another flower.

Mosses and other bryophytes live suitably in moist or damp places. They favor this kind of environment because it allows them to draw water directly from the damp soil because they lack the vascular transport system that makes plants draw water against the gravity. Their lack of vascular tissues is the reason why their height is limited.

E. Vascular tissue

The alternation of generations among the plants has significantly changed over time. The gametophyte (haploid) stage is the most dominant phase in the life cycle of green algae and mosses. However, this phase was reduced when the fern plants appeared on land. Eventually, when the vascular plants evolved into the seed plants, the sporophyte (diploid) stage became the most dominant phase in their life cycle.

Therefore, the trend shows that the haploid phase became smaller and the diploid phase became larger over time.

B. The diploid phase became larger.

When the seed plants first appeared in the land, they were the first plants to reproduce without the need for water because they have a reproductive process that is unique to the green algae, mosses, and ferns. Their adaptations include the reproduction that takes place in cones or flowers, and their embryo is protected inside the seeds.

E. Reproducing without standing water

Cucumber is classified as a fruit because it contains the seeds of the plants. Fruits are usually formed within the female reproductive part of the flower. After a successful fertilization, the angiosperm seeds start to mature inside the ovary. During this process, fruits are formed when the ovary walls, which enclose the seeds, begin to thicken.

D. It contains the seeds of the plant