AP BIOLOGY

Detailed explanation-1: -Floral nectar is presented inside the flower close to the reproductive organs and rewards animals that perform pollination while visiting the flower. In both cases nectar is a source of carbon and nitrogen compounds that feed animals, the most abundant solutes being sugars and amino acids.

Detailed explanation-2: -Nectar in flowers serves chiefly to attract pollinators, such as fruit-eating bats, hummingbirds, sunbirds, and insects. Nectaries are usually located at the base of the flower stamens, which draw animal visitors into contact with the pollen to be transferred.

Detailed explanation-3: -Nectaries are specialized nectar-producing structures of the flower (Figure 9.14). Nectar is a solution of one or more sugars and various other compounds and functions as an attractant (a “reward”) to promote animal pollination.

Detailed explanation-4: -Flowers produce nectar as a reward for pollination, the process of transferring pollen from flower to flower. Many flowers need pollen to reproduce. However, because plants are immobile they need help with pollen transfer. An animal that transfers pollen from flower to flower is called a pollinator.

Detailed explanation-5: -Nectar is produced in glands known as nectaries. The glands are commonly found at the base of flowers, where they produce nectar as a reward for pollinators. However, there are also extrafloral nectaries located elsewhere on the plant, often on the leaves or petiole – the stalk that attaches the leaf blade to the stem.