Living things are biological structures that respond to changes in the environment or within their own entities. This includes animals, plants, fungi and the single-celled organisms known as bacteria. Living things have ... More »

Five characteristics of living things, which are comprised of one or more cells, include the ability to grow, adapt and reproduce, along with responsiveness to stimuli and metabolic processes necessary for survival. The ... More »

Every living organism, animals and plants, need a continual supply of energy to perform the processes necessary for reproduction and survival. Some of the processes like metabolism occur continually, while others only oc... More »

Unlike nonliving things, living things grow and reproduce, sense and respond to changes in their environment, and assimilate nutrients. Living things also possess cells and DNA as their basic units of life, units that ar... More » Science Biology

Pili are hair-like structures in bacterial walls that allow bacterial cells to adhere to other surfaces throughout their environment. Pili are also known as fimbriae. More »

All living things require a source of energy, nutrients, water, space to grow and reproduce, and a relatively stable environment that allows homeostasis. Many organisms also require oxygen, but this is not a universal re... More »

Fungi refers to any member of the animal kingdom Fungi; these organisms are heterotrophs that feed on things already present in their environment. Fungi is the plural form of the word fungus. More » Science Biology