How is energy lost between trophic levels?

Explanation: The amount of energy at each trophic level decreases as it moves through an ecosystem. As little as 10 percent of the energy at any trophic level is transferred to the next level; the rest is lost largely through metabolic processes as heat.

Ans. (c). angiosperms

Angiosperms or flowering plants that have vascular bundles, flowers, fruits, and with covered seeds. Roses and lilies are seed-producing, flowering plants, hence, these plants are angiosperms.

Presence of flowers is the major characteristics of angiosperms, in which male and female reproductive organs are present. In these plants, egg (female gamete) is fertilized with male a gamete and develops into a seed, enclosed within an ovary.

Thus, the correct answer is option (c).