If you create a home free of hazards and provide them with plenty of food and water, your curious, playful baby ducks will be able to waddle and swim on their own before you know it. Learn how to make ducklings feel at home, feed them what they like to eat, and keep them safe from harm.
Living things require energy to maintain internal organization (homeostasis) and to produce the other phenomena associated with life. Growth: maintenance of a higher rate of anabolism than catabolism. A growing organism increases in size in all of its parts, rather than simply accumulating matter.
Multicellular organisms need specialised organ systems, whereas all the life processes in a unicellular organism take place in that one cell. 1  Multicellular organisms need organ systems to carry out functions such as: 2  Communication between cells, eg the nervous system and circulatory system.