Aim high, shoot often

Vascular plants, which account for over 90% of the Earth’s vegetation, all undergo primary growth—which lengthens roots and shoots. Many land plants, notably woody plants, also undergo secondary growth—which thickens roots and shoots.

Nursing involves independent, cooperative, person-centered care for people of all ages, families, groups, and communities. Nurses assist the sick or the well person in all settings. Nursing includes promoting health, preventing illness, and caring for ill, disabled, and dying people. Health promotion encourages people to take responsibility for their health. It focuses on the healthy behavior of individuals, families, and the community and the factors that impact their health. Examples of...

Plant tissue culture is widely used in both primary and applied science. Applications range from plant development studies to functional gene studies, crop improvement, commercial micropropagation, virus elimination, and conservation of rare species.

Gravitropism: Plant Responses to Gravity

Plants grow throughout their lives; this is called indeterminate growth, and it distinguishes plants from most animals. Although certain parts of plants stop growing (e.g., leaves and flowers), others grow continuously—like roots and stems.

Light plays a significant role in regulating the growth and development of plants. In addition to providing energy for photosynthesis, light provides other important cues to regulate a range of developmental and physiological responses in plants.